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About product and suppliers:
        Alibaba.com offers 2,559 black zirconia gemstone products. About 47% of these are loose gemstone, 36% are rings, and 26% are silver jewelry. 

A wide variety of black zirconia gemstone options are available to you, such as ruby, sapphire. You can also choose from natural, mineral gemstones, and synthetic (lab created). As well as from oval cut, round brilliant cut, and emerald cut. And whether black zirconia gemstone is silver, gold, or alloy. 

There are 2,559 black zirconia gemstone suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Thailand, which supply 95%, 3%, and 1% of black zirconia gemstone respectively. 

Black zirconia gemstone products are most popular in North America, Western Europe, and South America. 

You can ensure product safety by selecting from certified suppliers, including 386 with Other, 9 with ISO9001, and 1 with GMP certification.