... 1.Yellow rough big size synthetic diamond cystalsMoh's hardness10Color : yellowManufacturing process: HTHPWeight: 0.01 carat -0.25 carat Application: cutting tools, dressing ... , 4.5mm , 5mmthickness: 1.1mm2.Sythetic diamond single crystals for drilling tools, grinding tools, cutting tools,16/18 ,18/20 ,20/25 ... Grinding : 12-22, 20-30,22-36, 36-54 cultured diamond (industrial diamond, rough diamond)