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About product and suppliers:
        Alibaba.com offers 15,351 rough diamond products. About 39% of these are loose diamonds, 18% are loose gemstone, and 13% are abrasives. 

A wide variety of rough diamond options are available to you, such as d, h, and e. You can also choose from vvs1, i3, and vs1. As well as from natural, synthetic (lab created). And whether rough diamond is round brilliant cut, radiant cut, or emerald cut. 

There are 13,768 rough diamond suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Israel, which supply 66%, 13%, and 7% of rough diamond respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 1,888 with ISO9001, 1,313 with Other, and 552 with ISO14001 certification.