Alibaba.com offers 478 gems products. About 83% of these are loose gemstone. A wide variety of gems options are available to you, such as zircon, sapphire, and ruby. You can also choose from synthetic (lab created), natural, and mineral gemstones. As well as from round brilliant cut, heart cut, and cushion cut. And whether gems is color play or fire, iridescence/iridescent, or star. There are 478 gems suppliers, mainly located in Asia. The top supplying country is Sri Lanka, which supply 100% of gems respectively. Gems products are most popular in Eastern Asia, Southern Europe, and Western Europe.