We are offering lab diamonds, synthetic diamond, diamond. Specifications 1.with high thernal stability. 2.high compressive strength. 3.high transparency, less bubbles lab diamonds/ synthetic diamond available size of industrial synthetic diamond 1. Sythetic diamond grit: 16/18(d1180), 18/20 (d1001), 20/25 (d851), 25/30 (d711), 30/35 (d601), 35/40 (d501)40/45 (d425), 45/50 (d356), 50/60 (d301), 60/70 (d251), 70/80 (d213), 80/100 (d181)100/120 (d151), 120/140 (d126), 140/170 (d107), 170/200 (d91), 200/230 (d76)230/270 (d64), 270/325 (d54), 325/400 (d46) synthetic diamond under microscope.