Scio Diamond

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Lab-Grown Diamonds


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Diamond-growing technology

Lab-grown diamonds are generally produced by chemical vapor deposition (CVD) or high pressure high temperature (HPHT) methods.

CVD uses ultra-pure carbon-rich gases in a controlled environment. It produces Type IIa diamonds, which are quite rare in nature and account for less than two percent of all mined diamonds. Type IIa diamonds have no, or almost no, impurities; they are the purest, highest-quality diamonds.

HPHT, used since the 1950s, puts a pure, solid carbon source under high pressure and high temperature. In the presence of a catalyst, the pressurized and heated carbon crystalizes into diamond. HPHT is sometimes used to improve the color of mined or lab-grown diamonds.

Our proprietary CVD process allows us to produce stunning diamonds in color and size combinations that are seldom found in mines, such as fancy color pink diamonds that are prized for fine jewelry.


Welcome to our special growth chamber

Scio Diamond patented its CVD production process in 2003. We use tiny diamond seeds and lab-quality carbon gases in a special growing chamber. After approximately three to four weeks, the crystals have grown to significant size, typically three to five carats.

We have perfected the ability to very rigorously and accurately control the environment and the chemistry, letting us create large, high-quality single-crystal diamonds.

The precise control we exert on the process creates a scalable manufacturing platform so that we can produce large numbers of diamonds that are identical. This is important for jewelry, where consumers want matched stones in a single piece of fine jewelry.

Our highly repeatable production process is even more important to industrial customers, who need consistency and identical products time after time, a requirement that can’t be met by mined diamonds.

Lab-grown diamonds through time

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