Gemesis

Gemesis Inc., now known as Pure Grown Diamonds, is a privately held company located in New York City. The corporation grows synthetic diamonds using proprietary technology. Gemesis has the world's largest facilities for both the high pressure–high temperature (HPHT) and chemical vapor deposition (CVD) diamond production methods. Using these methods, Gemesis has produced high-quality colorless and fancy color diamonds that have been offered for sale at 20–30% lower prices than mined natural diamonds of similar quality (and, from some suppliers, lower prices than that). Gemesis is the principal
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