... transparency 4.regular cystals 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, ... 400170/200 400/500200/230 500/6004.Diamond micro powder for grinding tools, polishing toolsFor ... ,22-36, 36-54 cultured diamond (industrial diamond, rough diamond)