Natural Corundum Ruby

361 natural corundum ruby products are offered for sale by suppliers on Alibaba.com, of which loose gemstones accounts for 62%. A wide variety of natural corundum ruby options are available to you, such as brilliant cut, round brilliant cut and round cut.You can also choose from synthetic moissanite, synthetic corundum and black onyx natural corundum ruby,as well as from princess cut, round brilliant cut, and emerald cut natural corundum ruby, and whether natural corundum ruby is waxing/oiling, fracture filling, or radiation.