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About product and suppliers:
        Alibaba.com offers 9,882 rough gems products. About 82% of these are loose gemstone, 1% are other gifts & crafts. 

A wide variety of rough gems options are available to you, such as free samples, paid samples. 

There are 9,008 rough gems suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Hong Kong, which supply 50%, 29%, and 9% 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 1,673 with Other, 65 with ISO9001, and 20 with OHSAS18001 certification.