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About product and suppliers:
        Alibaba.com offers 8,827 high grade diamonds products. About 2% of these are loose gemstone, 1% are crystal crafts, and 1% are loose diamonds. 

A wide variety of high grade diamonds options are available to you, such as vvs1, i3. You can also choose from excellent, good. As well as from free samples, paid samples. 

There are 8,819 high grade diamonds suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Pakistan, and Vietnam, which supply 97%, 1%, and 1% of high grade diamonds respectively. 

High grade diamonds products are most popular in North America, Mid East, and South America. 

You can ensure product safety by selecting from certified suppliers, including 1,667 with ISO9001, 1,444 with Other, and 344 with HACCP certification.