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About product and suppliers:
        Alibaba.com offers 11,132 rough gems products. About 83% of these are loose gemstone, 4% are stone beads, and 1% are other gifts & crafts. 

A wide variety of rough gems options are available to you, such as zircon, sapphire, and quartz. You can also choose from natural, synthetic (lab created), and mineral gemstones. As well as from round brilliant cut, oval cut, and pear cut. And whether rough gems is heat, waxing/oiling, or fracture filling. 

There are 10,259 rough gems suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Hong Kong, which supply 48%, 33%, and 10% of rough gems respectively. 

Rough gems products are most popular in North America, South America, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 1,950 with Other, 49 with ISO9001, and 10 with OHSAS18001 certification.