... size of synthetic diamond are available as follows:1. synthetic diamond for cuting tools, dressing tools, opitcs toolsAvailable size ... :3mm, 3.5mm, 4mm, 4.5mm , 5mmthickness: 1.1mm2.Sythetic diamond single crystals for drilling tools, grinding tools, cutting tools ... 30,22-36, 36-54 cultured diamond (industrial diamond, rough diamond)