As the one of biggest GEM quality HPHT diamond provider, our company is located at Zhengzhou city, Henan province(the center of the world for HPHT diamond). We have the best quality rough diamonds from the biggest supplier in China.We are offering a complete Range of GEM quality lab created HPHT white rough and polished diamond with all grades, which is used for Jewellery and other gem applications.The time for Lab grown diamond is coming, please contact us if you want to be part of this.