Synthetic Diamonds

Hpht diamond, synthetic diamond, lab grown diamond. We have highly quality diamond,we are manufacturer, supplier and exporter of cultured diamonds in zhengzhou, henan, china. as far as the grown condition, grown diamonds are similar to the diamonds growing inside the earth.using high pressure and high temperature (hpht), we have the capacity to produce grown diamonds, which have the same optical, physical and chemical properties as a minded diamond