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Cultured Diamonds

Pure Grown Diamonds are identical to mined diamonds sharing the same physical, chemical and optical properties as their natural counterparts. Materials such as Moissanite, Cubic Zirconia (CZ), White Sapphire, YAG, etc. are simulants that simply attempt to “look” like a diamond.

Type IIa Diamonds

Diamond type is a method of scientifically classifying diamonds, both grown and mined, by the level and type of their chemical impurities. Type IIa diamonds make up 1–2% of all mined diamonds. Type lla diamonds are almost or entirely devoid of impurities. A colorless Pure Grown Diamond is classified as type IIa which is considered to be the purest form of diamond known to man. Many large, famous diamonds, such as the Cullinan and Koh-i-Noor, are type IIa. A renowned example is the “Elizabeth Taylor Diamond,” formerly known as the “Krupp Diamond,” a 33.19-carat Type IIa diamond.

Growing Seeds of Beauty

Like the most exotic orchid found in nature, the orchid lovingly grown in the greenhouse is equally rare and beautiful. The same is true for Pure Grown Diamonds. Similar to a greenhouse, the grown diamond process duplicates what occurs naturally, creating a rare, beautiful and sustainable product.

The Technology

Pure Grown Diamond technology replicates the conditions necessary to grow a diamond crystal above the Earth’s surface. Grown diamonds are produced by utilizing two gem-quality diamond creation processes: High Pressure-High Temperature (HPHT) and Chemical Vapor Deposition (CVD). In both instances a small diamond seed is placed in a tightly-controlled environment where the rough diamond grows, atom-by-atom, layer-by-layer, recreating the natural process.

Diamond Certification

Pure Grown Diamonds are graded to the same specifications as mined diamonds and accompanied by Diamond Grading Reports from leading independent laboratories such as the International Gemological Institute (IGI). These certificates are identical to mined diamond certificates including grading of the 4C’s along with full disclosure of the grown diamond origin.

A laboratory grown diamond is man-made but features the same optical and physical properties as a natural diamond including its chemical composition, refractive index and 4C’s. The only difference is its point of origin as one is grown above ground while the other is extracted from the ground.

Pure Grown Diamonds have our diamonds certified by an independent third party. Every one of our diamonds one quarter (1/4) carat and larger come with a Diamond Grading Certificate from the International Gemological Institute (IGI), New York. In addition to providing all of the diamond grading information, IGI also laser inscribes the certificate number and “Lab Grown” on the girdle of the diamond, further confirming our grown diamond’s origin.

Our Commitment

Pure Grown Diamonds offers both white and fancy colors; perfect for those who seek a truly beautiful and socially responsible diamond of the highest quality, purity and rarity. There are many reasons to consider a grown diamond as an alternative to mined diamonds. As massive diamond mining operations are not in line with increasing consumer consciousness, we are proud to offer diamonds grown in a controlled environment, with a smaller carbon footprint and very little environmental impact.

Grown diamonds are a responsible choice for environmentally conscious consumers. Those who aspire to make socially responsible purchasing decisions have concerns regarding “conflict” diamonds. Pure Grown Diamonds are fully disclosed as lab-grown with a guaranteed origin.

Pure Grown Diamonds are designed to be affordable without giving up quality or value. Although they are grown, they are diamonds, held to the same grading standards, and supply chain as mined diamonds.

Pure Grown Diamonds go through the same cutting process which includes analyzing the rough, planning, cleaving or sawing, bruting, polishing, and final inspection. Once complete, they are then distributed to wholesalers, jewelry manufacturers and retailers. Consequently, grown diamonds are subject to many of the same elements that affect the prices of mined diamonds.


We proudly offer diamonds grown in a technologically advanced facility using modest amounts of energy. Compared to mining diamonds, our growing process has very little direct impact on the environment.


Our guaranteed origin, full disclosure and commitment to transparency, assure that our Pure Grown Diamonds are conflict-free.


Grown diamonds don’t undermine the sustainability of natural systems or our environment, allowing future generations to have the natural resources they need.

Sustainable Supply

As the world’s largest distributor of gem-quality grown diamonds, we guarantee a sustainable and steady supply of white and fancy colored diamonds.