Onyx Gemstone Cabochons

382 onyx gemstone cabochons products are offered for sale by suppliers on Alibaba.com, of which loose gemstones accounts for 55%. A wide variety of onyx gemstone cabochons options are available to you, such as brilliant cut, round brilliant cut and round cut.You can also choose from cat's eye, mother of pearl and rose quartz onyx gemstone cabochons,as well as from round brilliant cut, radiant cut, and emerald cut onyx gemstone cabochons, and whether onyx gemstone cabochons is waxing/oiling, fracture filling, or radiation.