Lab Created Corundum

3581 lab created corundum products are offered for sale by suppliers on Alibaba.com, of which loose gemstones accounts for 99%. A wide variety of lab created corundum options are available to you, such as brilliant cut, round brilliant cut and round cut.You can also choose from synthetic moissanite, cat's eye and synthetic corundum lab created corundum,as well as from round brilliant cut, princess cut, and heart cut lab created corundum, and whether lab created corundum is waxing/oiling, fracture filling, or radiation.