About Us


Pure Diamond Co., Ltd. is a first company in Japan as lab-grown diamond specialist. All of our diamonds are produced ethically and have little environmental impact.

Unlike underground diamonds, our aboveground diamonds do not contain impurities and emit pure and beautiful radiance.Like natural diamonds, each diamond has its own individual features and growth patterns, each one is very unique.

Pure Diamond, we aims to nurture new diamond culture in Japan and the world through this materially and ethically pure diamond.