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About product and suppliers:
        Alibaba.com offers 7,408 hpht diamond products. About 62% of these are loose diamonds, 22% are abrasives, and 4% are loose gemstone. 

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

There are 7,418 hpht diamond suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Israel, which supply 91%, 5%, and 3% 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 428 with ISO9001, 123 with OHSAS18001, and 123 with ISO14001 certification.