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About product and suppliers:
        Alibaba.com offers 4,108 black zirconia gemstone products. About 57% of these are rings, 51% are silver jewelry, and 28% are loose gemstone. 

A wide variety of black zirconia gemstone options are available to you, such as free samples, paid samples. 

There are 4,028 black zirconia gemstone suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Thailand, which supply 95%, 4%, and 1% of black zirconia gemstone respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 347 with Other, 10 with ISO9001, and 1 with GMP certification.