How Personalized Lab Grown Diamonds Are Changing Custom Jewelry Manufacturing

 

Custom jewelry has always been about making a piece feel individual, but the manufacturing process behind that personalization is changing rapidly. Advances in diamond-growing and cutting technology are giving designers, retailers, and jewelry manufacturers greater flexibility when developing pieces around specific customer preferences. Personalized lab grown diamonds are becoming part of this shift because they can be selected and cut according to the design requirements of a particular piece rather than relying only on standardized inventory.

This development is especially relevant to businesses serving customers who want distinctive engagement rings, statement pieces, anniversary jewelry, and private-label collections. Instead of treating the diamond as a fixed component that is chosen after the setting has been designed, manufacturers can increasingly consider the stone and jewelry design together.

For B2B jewelry businesses, this creates opportunities to offer more design flexibility while managing production requirements more efficiently. The result is a more connected approach to diamond sourcing, customization, manufacturing, and final product development.

What Are Personalized Lab Grown Diamonds?

Personalized lab grown diamonds are laboratory-grown diamonds selected, specified, or cut with a particular jewelry design or customer requirement in mind. The personalization can involve characteristics such as diamond shape, dimensions, carat weight, cut quality, color, clarity, proportions, and sometimes a specific faceting style.

The important distinction is that personalization does not mean the diamond is an imitation or a different type of material. Lab grown diamonds have essentially the same crystal structure and chemical composition as natural diamonds. What changes is the production environment and the ability to coordinate diamond specifications more closely with a jewelry design.

For example, a designer developing a custom ring may need a particular length-to-width ratio for an oval stone, a specific proportion for an elongated cushion, or a carefully selected cut for a symmetrical halo design. This level of specification can make the manufacturing process more design-led instead of inventory-led.

Why Personalization Matters in Custom Jewelry Manufacturing

Traditional jewelry manufacturing often begins with available stones and then adapts the design around them. That approach remains practical for many products, but it can become limiting when a retailer or customer wants something highly specific.

Personalization changes the process by allowing manufacturers to think about the diamond and setting as interconnected components. The dimensions of the stone can influence the proportions of the mounting, the placement of accent stones, the visual balance of the piece, and even the amount of metal required.

This is particularly valuable for B2B jewelry businesses. A retailer may want a signature design that differs from mass-market products, while a private-label brand may need a consistent visual identity across an entire collection. A manufacturer capable of working with detailed diamond specifications can provide greater control over the final appearance.

The growing availability of lab grown diamonds for sale across different sizes, shapes, colors, and quality ranges also gives businesses more options when developing customized products.

Diamond Shape Is Becoming a Core Part of Customization

One of the simplest ways to personalize jewelry is through diamond shape. Customers increasingly want designs that reflect individual taste rather than choosing exclusively from conventional engagement-ring styles.

Understanding different diamond shapes allows designers to create dramatically different visual effects from otherwise similar jewelry concepts. A classic round stone creates a very different impression from an elongated oval, angular princess, or soft cushion silhouette.

A round brilliant cut diamond, for instance, remains a popular choice when maximum traditional brilliance is a priority. Its proportions and faceting pattern make it suitable for everything from solitaire engagement rings to sophisticated tennis jewelry.

A princess cut diamond can create a more geometric and contemporary appearance, while a radiant cut diamond combines an elongated or rectangular outline with brilliant-style faceting. A Cushion Cut Diamond offers softer corners and a more romantic appearance, making it useful for both vintage-inspired and contemporary designs.

These differences give manufacturers more opportunities to build collections around distinct design identities rather than simply changing the metal or setting.

Elongated and Specialty Shapes Expand Design Possibilities

Customization becomes even more interesting when designers move beyond conventional proportions. An oval cut diamond can visually lengthen the finger and works particularly well in elegant solitaire and three-stone designs. A pear shaped diamond introduces an asymmetrical teardrop silhouette that can be used for pendants, earrings, rings, and distinctive cluster arrangements.

An elongated cushion cut diamond provides another way to create a sophisticated, stretched silhouette while retaining the softer visual character associated with cushion cuts. Designers can also explore an antique cushion cut diamond when the goal is to introduce a vintage-inspired personality into a modern piece.

Other shapes can serve even more specific creative purposes. A lab grown marquise diamond can produce a dramatic, elongated appearance, while a heart shaped diamond can reinforce a strongly symbolic theme. Less conventional cutting styles, including the Portuguese cut diamond, can also provide opportunities for brands looking to differentiate their collections through unusual optical patterns.

The broader selection of shapes means personalization can become a genuine design strategy rather than simply a way of changing stone size.

Cut Quality Gives Personalization Another Dimension

Shape determines the outline of a diamond, but cut quality influences how the stone interacts with light. This distinction is critical in custom jewelry manufacturing because two diamonds with similar dimensions can produce noticeably different visual results.

For customers and retailers focused on optical performance, precision-cut stones can become an important part of the specification process. A manufacturer may need to consider symmetry, proportions, facet arrangement, polish, and overall cut characteristics according to the intended design.

Specialized products such as a Hearts and Arrows Diamond can be particularly relevant when a jewelry collection is positioned around precision and optical symmetry. These diamonds require carefully controlled cutting and alignment to produce their characteristic visual pattern.

Personalization therefore extends beyond simply asking for a particular carat weight. It can involve determining what combination of proportions, cut quality, shape, and dimensions will produce the intended result within a finished piece of jewelry.

How Personalization Can Improve Custom Manufacturing

The biggest manufacturing advantage is greater coordination between diamond specifications and jewelry production. When a stone is selected with the final design in mind, manufacturers can reduce the need to compromise between an available diamond and the intended setting.

This can be particularly useful for made-to-order jewelry. Suppose a customer requests a ring with an unusually elongated center stone and a narrow halo. Rather than selecting a standard stone and modifying the design extensively, the manufacturer can approach the project by defining the required diamond dimensions first.

Personalization can also support consistency across collections. A private-label jewelry company may establish preferred proportions or diamond specifications for a particular product line. Once those requirements are clearly defined, manufacturers can reproduce the design concept more consistently across different orders.

That flexibility is one reason businesses are paying closer attention to specialized lab grown diamond wholesale supply. Wholesale sourcing is no longer only about obtaining stones at scale; for many buyers, the ability to source diamonds that meet specific production requirements is becoming equally important.

What Retailers and Private-Label Buyers Should Consider

Retailers and private-label jewelry companies should evaluate more than price when choosing a supplier for personalized diamond requirements. The manufacturer's cutting capabilities, quality-control procedures, available shapes, certification options, production capacity, and ability to communicate specifications can all influence the finished product.

A useful sourcing process begins with a clear product specification. Buyers should define the intended shape, approximate dimensions, carat range, color and clarity requirements, cut expectations, certification needs, and quantity before production begins.

It is also important to understand whether a supplier can support both individual custom orders and repeat production. A manufacturer might successfully create one unique stone but lack the infrastructure required to reproduce similar specifications for a larger collection.

Businesses searching for the best lab grown diamond company should therefore look at manufacturing capabilities and consistency alongside commercial terms. For a B2B buyer, reliability can be just as important as the initial stone price because inconsistent supply can affect production schedules, customer satisfaction, and brand reputation.

The Role of Lab Grown Diamond Manufacturers in the USA

As demand for customized jewelry grows, the relationship between brands and manufacturers is becoming more collaborative. Buyers may increasingly expect suppliers to understand design requirements rather than simply provide a catalog of available stones.

For businesses specifically evaluating lab grown diamond manufacturers in USA, factors such as communication, production lead times, quality assurance, customization capabilities, documentation, and fulfillment should be part of the evaluation process.

A strong manufacturing partner can help translate a design concept into practical diamond specifications. This may include recommending suitable proportions, identifying appropriate shapes, evaluating available quality ranges, and coordinating diamond production with jewelry manufacturing.

Grown Diamond Corp operates within this broader B2B environment, where customization and manufacturing capabilities can support retailers, wholesalers, and private-label jewelry businesses looking to develop differentiated products.

Personalization Is Also Changing Customer Expectations

Technology does not only change manufacturing; it changes what customers expect from jewelry brands. Consumers are increasingly comfortable researching diamonds, comparing shapes, asking about quality, and requesting products that feel unique to them.

That creates pressure on retailers to provide more than a selection of standardized designs. A customer may want a particular diamond shape, a specific proportion, an unusual setting, or a combination of details that is not available in an off-the-shelf product.

Personalized lab grown diamonds can help businesses respond to those expectations without abandoning the efficiency of modern manufacturing. They provide a bridge between individual design preferences and scalable production.

For jewelry brands, this can become a meaningful competitive advantage. Customization allows a company to create experiences and collections that are harder to replicate than generic products based solely on commonly available designs.

Why the Trend Matters for the Future of Jewelry Manufacturing

The future of custom jewelry is unlikely to be defined by personalization alone. Instead, personalization will increasingly work alongside digital design, precision cutting, advanced manufacturing, inventory management, and direct communication between brands and suppliers.

Lab grown diamonds fit naturally into this evolving environment because their availability across different specifications gives manufacturers another material option for developing customized products. As cutting technologies and manufacturing workflows continue to improve, designers may gain even greater control over proportions, shapes, and optical characteristics.

For B2B buyers, this could lead to a shift from simply purchasing finished inventory toward developing products collaboratively with manufacturers. Instead of asking, “Which diamonds do you have available?”, the conversation can become, “Which diamond specifications can you produce for this design?”

That represents a significant change in how custom jewelry can be planned and manufactured.

Conclusion

Personalized lab grown diamonds are helping move custom jewelry manufacturing toward a more flexible, design-centered model. Instead of treating diamonds as standardized components, manufacturers and jewelry brands can increasingly consider the stone's specifications alongside the architecture and purpose of the finished piece.

From a classic round brilliant cut diamond to an unusual Portuguese-inspired cutting style, the growing range of shapes and cutting possibilities gives designers more ways to create differentiated jewelry. For retailers, wholesalers, and private-label businesses, this flexibility can support distinctive collections while responding to customers who increasingly value individuality.

Grown Diamond Corporation reflects the broader evolution of the industry toward precision, customization, and B2B manufacturing collaboration. As technology continues to improve, personalized diamond sourcing and production are likely to become an increasingly important part of how custom jewelry is designed, manufactured, and brought to market.

Ultimately, the value of personalization is not simply that a diamond can be made different. It is that the diamond can be considered as part of a larger design vision—allowing manufacturers and jewelry brands to create products that are more purposeful, distinctive, and closely aligned with what today's customers want.

Frequently Asked Questions

1. Are personalized lab grown diamonds real diamonds?

Yes. Lab grown diamonds are real diamonds with essentially the same chemical composition and crystal structure as natural diamonds. Personalization refers to the specifications, selection, or cutting requirements associated with the stone, not to a different material.

2. Can lab grown diamonds be customized for a specific jewelry design?

Yes. Depending on the manufacturer's capabilities, diamonds can be selected or produced around requirements such as shape, carat weight, dimensions, color, clarity, and cut characteristics. The exact level of customization varies between manufacturers.

3. Which diamond shapes work well for custom jewelry?

Almost any diamond shape can be incorporated into custom jewelry when the design is engineered appropriately. Round, oval, cushion, princess, radiant, pear, marquise, and heart shapes are among the options designers can consider. Specialty cuts can also be explored for more distinctive collections.

4. What should a retailer look for in a lab grown diamond supplier?

Retailers should consider diamond quality, cutting precision, certification, customization capabilities, manufacturing capacity, consistency, communication, and delivery reliability. For repeat B2B orders, the supplier's ability to maintain specifications across multiple production runs is particularly important.

Hearts and Arrows Diamond Explained: Cut Quality, Symmetry and Light Performance

A diamond can have excellent color and clarity, yet still look less impressive if its proportions and cutting precision are not well balanced. This is why cut quality deserves close attention when choosing a diamond. Among the terms often associated with highly precise cutting is the Hearts and Arrows Diamond, a style recognized for the distinctive optical pattern that can appear when a precisely cut round diamond is viewed through specialized scopes.

The appeal goes beyond the name. Hearts and Arrows patterns are connected with symmetry, facet alignment and the way a diamond interacts with light. For buyers exploring lab grown diamonds, natural diamonds, or premium diamond jewelry, understanding this cutting concept can make it easier to judge quality rather than relying only on the traditional color, clarity and carat measurements. Grown Diamond Corp can be one of the brands considered when researching diamond options, but the most important step is learning what the cutting terminology actually means.

What Is a Hearts and Arrows Diamond?

A Hearts and Arrows Diamond is generally associated with a round brilliant diamond whose facets have been cut and aligned with a high degree of precision. When examined from the bottom through a specialized viewer, the diamond may reveal a repeating heart pattern. When viewed from the top, a corresponding arrow pattern can become visible.

These patterns are not simply decorative features. They are optical evidence of the diamond's internal facet arrangement and symmetry. The more consistently the facets are aligned, the more clearly defined the pattern may appear under the appropriate viewing conditions. However, the presence of a visible pattern alone should not be treated as a complete measurement of diamond quality.

A well-cut diamond is ultimately about how its proportions, symmetry, polish and facet relationships work together. That is why buyers should look beyond terminology and examine the complete grading information, proportions and visual performance of the individual stone.

Why Symmetry Matters in Diamond Cutting

Symmetry plays an important role in how a diamond reflects and returns light. A round brilliant cut contains numerous facets that need to work together to create balanced reflections. Small variations in facet alignment can influence the consistency of the visual pattern and the way light moves through the stone.

This is particularly relevant to buyers comparing diamonds with similar carat weight, color and clarity. Two stones can have similar specifications on paper but look noticeably different because their cutting proportions and symmetry are not identical. A precise cutting approach can therefore contribute significantly to the appearance of a diamond.

The concept becomes easier to understand when comparing different diamond shapes. A round brilliant cut diamond is designed around a symmetrical facet arrangement, while shapes such as a princess cut diamond, radiant cut diamond or oval cut diamond use different facet structures and visual proportions. The Hearts and Arrows concept is most strongly associated with round brilliant cutting because of the particular optical pattern created by its facet arrangement.

How Hearts and Arrows Relates to Light Performance

The primary reason buyers pay attention to precise cutting is light performance. A diamond interacts with incoming light through its facets, and the proportions of those facets influence how light is reflected, redirected and returned to the viewer.

A well-proportioned round diamond can display a combination of brightness, contrast and flashes of spectral color. Precision in facet alignment can contribute to a more organized visual appearance, which is one reason Hearts and Arrows diamonds attract attention among buyers who place a strong emphasis on cut quality.

That does not mean that every diamond displaying a Hearts and Arrows pattern will look identical. Lighting conditions, viewing angle, proportions, polish, clarity characteristics and the overall cutting design can all affect the appearance. Buyers should therefore consider the entire stone rather than treating one optical feature as the sole indicator of quality.

Hearts and Arrows vs Super Ideal Cut Diamonds

The terms Super Ideal Cut Diamond and Hearts and Arrows Diamond are closely related in discussions about precision cutting, but they should not automatically be treated as identical terms. “Super ideal” is commonly used to describe a particularly narrow range of cutting proportions and performance characteristics, while Hearts and Arrows refers specifically to the optical pattern associated with precise facet alignment.

A diamond can therefore be evaluated through several different aspects of cut quality. Buyers may look at proportions, symmetry, polish, light performance and visual patterning rather than relying on a single label.

This distinction is useful when shopping for premium diamonds because terminology can vary between sellers. Instead of assuming that a particular marketing term guarantees superior performance, ask what measurable characteristics support the description. Reviewing a grading report and examining actual imagery can provide a much clearer picture of the stone.

What Are Master Cut Diamonds?

Master Cut Diamonds is another terminology buyers may encounter when researching precision-cut stones. The exact meaning can vary depending on the seller or cutting program, so it is important to understand the specific standards behind the term rather than assuming that all diamonds described this way have identical characteristics.

For buyers, the practical question is simple: how consistently has the diamond been cut, and what evidence supports its stated quality? A detailed grading report, proportion information and appropriate visual assessment can help answer those questions.

The same principle applies when researching a best lab grown diamond company. A strong supplier-selection process should involve more than attractive terminology. Buyers should consider grading documentation, available specifications, transparency and the consistency of the information provided about each diamond.

Understanding AGS Ideal Cut Diamond Terminology

The phrase AGS ideal cut diamond is associated with the American Gem Society's historical approach to evaluating diamond cut quality. AGS developed detailed systems for assessing proportions and performance, and its terminology became familiar to many diamond professionals and consumers.

Because diamond grading terminology can change over time, buyers should pay attention to the specific grading document accompanying a stone rather than relying on a phrase used in a product description. The actual report can provide useful information about the diamond's characteristics and how those characteristics were evaluated.

For someone comparing a Hearts and Arrows Diamond with another high-quality round diamond, this documentation can make the decision more objective. It allows the buyer to consider measurable information alongside visual appearance rather than choosing solely on marketing language.

Where GCAL 8X Diamonds Fit Into the Conversation

GCAL 8X diamonds are another example of terminology connected with high-performance diamond grading and assessment. The designation is associated with a specific grading approach and additional performance-oriented evaluation, which is why the term may appear when buyers research exceptionally well-cut diamonds.

It is helpful to distinguish between grading terminology and the physical characteristics of a diamond. A grading designation can provide useful information about how a stone was evaluated, but consumers should still review the report, understand the grading criteria and examine the individual diamond.

For premium diamond shoppers, this approach is more reliable than assuming that one label automatically makes a diamond superior to another. Cut quality is multidimensional, and the best choice depends on the buyer's priorities, budget and desired visual appearance.

How Different Diamond Shapes Compare With Round Brilliant Cutting

One of the advantages of learning about Hearts and Arrows diamonds is that it provides a useful introduction to the broader world of diamond cutting. Every shape has its own personality because its outline and facet arrangement influence how the stone interacts with light.

For example, a Cushion Cut Diamond can offer a softer outline with rounded corners, while an elongated cushion cut diamond creates a more stretched silhouette. An antique cushion cut diamond may appeal to buyers who prefer a distinctive vintage-inspired appearance. These stones should not be judged by the same optical criteria used for a precision-cut round.

An oval cut diamond can create an elongated appearance on the finger, while a pear shaped diamond combines a rounded end with a pointed tip. A lab grown marquise diamond offers an especially elongated outline, whereas a heart shaped diamond has a distinctly romantic silhouette. Each shape requires its own approach to evaluating proportions and visual balance.

Other cutting styles can create very different visual experiences. A portuguese cut diamond, for example, uses a distinctive faceting approach that differs substantially from traditional round brilliant construction. The lesson is that “excellent cutting” does not mean one universal appearance. It means that the cutting design has been executed effectively for the particular shape and intended visual result.

What Should You Check Before Buying a Hearts and Arrows Diamond?

The first step is to look at the diamond's grading documentation. Pay attention to the stated cut, symmetry, polish, proportions and other available details rather than focusing exclusively on carat weight. If the seller provides additional photographs or videos, use them to evaluate the stone under different lighting conditions.

It is also worth checking whether the Hearts and Arrows pattern is being presented as an actual optical feature or simply used as a marketing description. A genuine evaluation should be based on the individual diamond rather than an assumption attached to the product category.

Buyers should also consider their priorities. Someone who values maximum visual precision may be willing to spend more on a carefully selected round brilliant. Another buyer may prefer allocating more of the budget to carat size, color or another feature. There is no single specification that makes a diamond perfect for everyone.

Choosing a Supplier for Precision-Cut Diamonds

Supplier selection becomes especially important when buying premium or lab grown diamonds. A reliable seller should provide clear product information and make it possible for buyers to understand what they are purchasing. The quality of communication can be just as important as the selection itself.

Grown Diamond Corp can be researched alongside other suppliers when comparing available diamond options. The goal should not be to choose a company simply because it uses premium-sounding terminology. Instead, compare documentation, available stone information, grading reports and the transparency of the purchasing process.

For businesses researching sourcing options, the same principle applies to lab grown diamond wholesale purchases. Consistency, documentation, selection and communication can become more important when multiple stones are being sourced. Buyers considering lab grown diamond manufacturers in USA may similarly benefit from examining the specific quality standards and documentation offered rather than relying solely on company descriptions.

Is a Hearts and Arrows Diamond Worth Considering?

For buyers who place a high value on precision cutting and the visual character of a round brilliant diamond, a Hearts and Arrows Diamond can be an appealing option. The optical pattern provides an interesting way to appreciate the precision of the facet arrangement, while the broader emphasis on symmetry and proportions can help buyers understand what contributes to strong cut quality.

However, the label should not replace careful evaluation. A diamond is a combination of many characteristics, and the right choice depends on the stone's proportions, visual performance, grading information and the buyer's personal priorities.

This is particularly relevant when comparing lab grown diamonds. The availability of laboratory-grown stones has given buyers more opportunities to explore different combinations of size, quality and budget, but the fundamentals of diamond evaluation still matter. A carefully selected stone should make sense not only on paper but also when viewed as a finished diamond.

Final Thoughts on Hearts and Arrows Diamonds

A Hearts and Arrows Diamond represents an interesting intersection of craftsmanship, symmetry and optical performance. The distinctive hearts and arrows pattern can demonstrate the precision of a round brilliant's facet arrangement, but it should be considered as part of a broader evaluation rather than a standalone guarantee of quality.

Understanding terms such as Super Ideal Cut Diamond, Master Cut Diamonds, AGS ideal cut diamond and GCAL 8X diamonds can make the buying process easier, especially when comparing premium stones. At the same time, knowing how a round brilliant differs from a princess cut, radiant, cushion, oval or other diamond shapes helps buyers choose based on visual preference rather than terminology alone.

Grown Diamond Corporation and other diamond suppliers can be part of a buyer's research process, but informed purchasing ultimately comes down to examining the individual stone, its documentation and its visual qualities. Whether choosing a natural diamond or lab grown diamonds, the strongest decision is one based on clear information, realistic expectations and a cut that matches the look you want.

Grown Diamond Corp | Lab Grown Diamond Supplier India

 Grown Diamond Corporation is a leading manufacturer and exporter of IGI-certified lab grown diamonds based in India. We offer a wide range of eco-friendly and ethically sourced diamonds in various shapes and sizes, ideal for engagement rings, jewelry retailers, and international buyers. With a strong focus on quality, innovation, and sustainability, we deliver premium lab grown diamonds that match the brilliance of natural ones—at a fraction of the cost.

Diamond Rings -Why Do We Give Diamond Engagement Rings?

A diamond is considered to be the purest form of jewels. Owning a diamond hence becomes one of the most prestigious possessions for an individual, and this is what makes diamonds as costly as they are and enables people to own them and consider it to add to their assets and to their prestige. One gift diamonds to one’s loved ones rather than buying it for oneself. Diamonds are also considered as one of the best gifts to be given to your spouses and close ones.

A phenomenon suggests that a lot of people think we buy diamonds for engagement rings because of the advertisements that surround them. Some people also believe that the roots of this idea are the advertising campaigns driving the need of a diamond in the engagement ring as showcased in the 1939 ad campaign by De Beers.

In case of engagement rings advertisers just came along with the flow, long after the diamond had already cemented its place in the engagement rings. The real theory behind the use of diamonds in engagement rings is much more engrossing.

The reason finds its roots in the history and its economic idiosyncrasies:

For the longest time in the American history, if a man spent a night with a woman, he was legally obligated to wed her. In one of the political acts, the shotgun wedding laws were abolished in the Progressive Era. As love marriage took centre stage, the wedding laws were considered old- fashioned and out-dated. The abolishment of these laws was very easy process; there was not much protest among the general public as a majority was in favor of the decision of the court. And now, as all the other rules were abolished under the name of love, men used an engagement ring as a ‘pledge’. The new rule was that, if a man provided collateral to signify his love. It added to the baseline of the love, as the word of the man was not considered enough. This is where it idea of an engagement ring came into being and has been used largely since then. Even though the actual reason of using diamonds in engagement rings is a little somber, diamonds are still considered as the purest form of jewels.

They still hold paramount importance as gifts and accessories!

For more info visit - https://www.growndiamondcorp.com/blog/why-do-we-give-diamond-engagement-rings.html

Lab Grown Diamonds are a revolution to the diamond industry.They are chemically,physically & optically similar to mined diamonds.They have many advantages over mined diamonds.They are ecofriendly,conflict free and they don’t harm mother nature.Many people and companies have started investing in Lab Created Diamonds.They have value for money and are 20-30 % priced less than mined diamonds.
Type IIa diamonds are considered as most valuable,purest and rarest type of diamonds. They contain either very little or no nitrogen atoms in the crystal structure.They are usually colorless and are lacking of any measurable impurities. They signify only 1% - 2% of all mined diamonds in the world. Cullinan,Kohinoor are types of Type IIa diamonds. Type II diamonds form under very high pressure for longer time periods, and tend to have an irregular shape.They are highly valuable and consider a superior choice for investment.
 

KOH-I-NOOR

The famous Koh-I-Noor (Persian for Mountain of Light) diamond was found near Kollur in India. Originally weighing 793 carats and once the largest known diamond in the world, its size has been reduced to 105.6 carat after many cutting and polishing. Koh-i-Noor diamond passed several hands through dynasties, rulers and invasions and eventually landed up as a British Crown Jewel. It currently is a part of the Crown of Queen Elizabeth.

ELIZABETH TAYLOR DIAMOND

Formerly known as Krupp diamond, the Elizabeth Taylor diamond, a 33.19 carat Asscher cut Type IIa diamond, was bought by Elizabeth Taylor’s husband – Richard Burton in 1968 at a NY auction for USD 300,000. The diamond became an important part of Taylor’s collection and she wore it as a ring. In 2011, the Elizabeth Taylor diamond was sold by Taylor’s estate for USD 8.8 million.
 

ARCHDUKE JOSEPH DIAMOND

Originally weighing 78.54 carat, the Archduke Joseph diamond, a antique cushion-shaped, colorless, brilliant, Type IIa, was purchased by Molina Jewelers of Arizona in 1990s and was recut to 76.45 carat for improved clarity and symmetry. The IF, D grade is the largest DIF diamond ever graded at GIA. Recovered in India’s Golconda mines, the Archduke Joseph diamond’s first recorded owner was Austria’s Archduke Joseph August who had deposited the diamond in a Hungarian bank vault in 1933.
 
Similarly, there are many other famous Type IIa diamonds including The Star of the South, Winston legacy, The Agra, Darya-i-Noor, Beau Sancy and so on. Type IIa diamonds are either way very rare and declining production of Earth-mined diamonds make them even rarer.

Facts about Lab Grown Diamonds

1) Lab Grown Diamonds are chemically, physically and optically exactly the same as mined diamonds.
2) The only difference between Lab Grown Diamonds and mined diamonds is the point of origin.Mined Diamonds are formed inside the earth’s surface,while Lab Grown Diamonds are created in the laboratory.
3)Lab Created Diamonds are ecofriendly and contribute to green enviornments.
4)Lab grown diamonds are created without harming native communities,hence they are conflict free.
5)Lab created Diamonds are available in variety of colours.
6)Lab Made Diamonds are 20-30% cheaper than mined diamonds.
7)As they are grown inside the laboratory they are unlimited in sipply.
8)Scientists and gemologists can accurately replicate the exact qualities of mined diamonds.
9)They are available in different cuts,sizes,colour and shapes.
10)Lab Grown Diamonds are not fake.They are diamonds grown from a diamond seed.
11)They are a revolution in the diamond industry.They have many advantages over mined diamonds.
12)The global demand for Lab created diamonds is increasing especially in countries like United States,United Kingdom,India.
13)All Lab Grown Diamonds are graded as per same parameters and specifications as mined diamonds.
14)It is virtually impossible for the naked eye to tell the difference between lab grown and mined diamonds.
15)HPHT(High Pressure High Temperature) and CVD(Chemical Vapor Deposition) is used for growing lab created diamonds.;

HPHT Diamonds

Diamonds are precious stones which are found inside earth’s surface.Diamonds can also be produced inside the laboratory by using HPHT process(High pressure High Temperature) and CVD(Chemical Vapour Deposition).Such diamonds are called as Lab Grown Diamonds or Lab Created Diamonds.
HPHT Diamonds and CVD Diamonds create diamonds which are chemically, physically and optically exactly the same as mined diamonds.
HPHT is a Diamond Enchanement Process used to enchance natural diamond’s colour by making the natural diamond go through high amounts of pressure and high temperatures.HPHT Process creates diamonds that are of different colour than original diamonds.
In HPHT Process 70,000 atmospheres pressure(same pressure that is found inside mines) at temperatures upto 3,700°F.HPHT Diamonds can be used for 1)Creation of Synthetic Diamonds 2)Color Modification in Natural Diamonds.
In HPHT Process a trained gemologist places the diamond into a “containment cube” that is surrounded by heating mechanisms.Pressure is applied to the cube.By this process we get a diamond in its most mature,desirable and colourless state.Because of the high amount of pressure HPHT Colored treated diamonds are larger than 0.50 carats.The smaller diamonds cannot handle this extreme pressure and can implode.
Two main press designs are used to supply required temperature and pressure.
Belt Press:-High Pressure is created by using two high strength pistons which provide equal pressure in opposing directions.
Cubic Press:-This technique uses many pistons that provide pressure from many different directions.
HPHT can only be used on high clarity diamonds like VVS1,VVS2,VS1,VS2 and flawless.  
The HPHT diamond maturation process is permanent and irreversible.It is a permanent colour enhacement process.
The difference between a natural colour diamond and HPHT Coloured diamond can be made by freezing the diamond with liquid nitrogen.The cool diamond is excited with a laser to see the colour that appears.
A spectrometer is used to measure the difference in the light absorption patterns and excitation peaks.
Colored Diamonds are very rare and extremely expensive.With HPHT Process these diamonds are affordable and can be bought by many people.