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About product and suppliers:
        Alibaba.com offers 15,655 rough diamonds products. About 39% of these are loose diamonds, 17% are loose gemstone, and 12% are abrasives. 

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

There are 14,025 rough diamonds suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Zimbabwe, which supply 70%, 13%, and 3% of rough diamonds respectively. 

Rough diamonds products are most popular in North America, South America, and Southeast Asia. 

You can ensure product safety by selecting from certified suppliers, including 1,656 with ISO9001, 1,238 with Other, and 576 with ISO14001 certification.