Commited to High
Quality Service

For more than two decades, our engineering team has worked in the high pressure, high temperature (HPHT) field.

High Pressure High Temperature (HPHT) annealing is the fundamental technique that permanently improves diamond hue due to CVD diamond development defects. We are the industry leader in offering turnkey diamond color improvement solutions and services to producers, dealers, wholesalers, and cultivators of CVD diamonds worldwide. Diamond is made to its full potential without anything being added or taken away.