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About product and suppliers:
        Alibaba.com offers 220,971 gem dealers products. About 43% of these are loose gemstone, 1% are zinc alloy jewelry, and 1% are metal crafts. 

A wide variety of gem dealers options are available to you, such as sapphire, zircon, and quartz. You can also choose from round brilliant cut, cushion cut, and oval cut. As well as from natural, synthetic (lab created), and organic gemstones. And whether gem dealers is heat, waxing/oiling, or fracture filling. 

There are 209,049 gem dealers suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Hong Kong, which supply 56%, 37%, and 1% of gem dealers respectively. 

Gem dealers products are most popular in North America, South America, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 20,673 with Other, 5,571 with ISO9001, and 876 with ISO14001 certification.