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About product and suppliers:
        Alibaba.com offers 8,792 hpht diamond products. About 66% of these are loose diamonds, 19% are abrasives, and 3% are loose gemstone. 

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

There are 8,800 hpht diamond suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Israel, which supply 92%, 4%, and 2% of hpht diamond respectively. 

Hpht diamond products are most popular in South Asia, Southeast Asia, and Africa. 

You can ensure product safety by selecting from certified suppliers, including 423 with ISO9001, 124 with OHSAS18001, and 124 with ISO14001 certification.