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About product and suppliers:
        Alibaba.com offers 18,520 rough gemstones products. About 58% of these are loose gemstone, 8% are semi-precious stone crafts, and 5% are crystal crafts. 

A wide variety of rough gemstones options are available to you, such as sapphire, emerald, and agate. You can also choose from natural, synthetic (lab created), and organic gemstones. As well as from round brilliant cut, pear cut, and oval cut. And whether rough gemstones is color play or fire, color change, or star. 

There are 17,505 rough gemstones suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Pakistan, which supply 45%, 41%, and 3% of rough gemstones respectively. 

Rough gemstones products are most popular in North America, South America, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 1,847 with Other, 54 with ISO9001, and 13 with ISO14001 certification.