Gemesis

Gemesis Corporation is a privately held company located in Sarasota, Florida. The corporation grows 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 produces high-quality colorless and fancy color diamonds that have lower prices than mined natural diamonds of similar quality. Gemesis is the principal producer of gem-quality lab-created diamonds and jewelry.