... Moh's hardness10 3.good transparency 1.Yellow rough big size synthetic diamond cystalsMoh's hardness10Color : yellowManufacturing process: ... 4mm, 4.5mm , 5mmthickness: 1.1mm2.Sythetic diamond single crystals for drilling tools, grinding tools, cutting tools ... 325/400170/200 400/500200/230 500/6004.Diamond micro powder for grinding tools, polishing toolsFor ... 20-30,22-36, 36-54 HTHP yellow diamond