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About product and suppliers:
        Alibaba.com offers 30,041 round zirconia products. About 43% of these are loose gemstone, 12% are silver jewelry, and 8% are earrings. 

A wide variety of round zirconia options are available to you, such as color play or fire, pleochroic/pleochroism, and star. You can also choose from heat, waxing/oiling, and radiation. As well as from round brilliant cut, cushion cut. And whether round zirconia is free samples, or paid samples. 

There are 30,041 round zirconia suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of round zirconia respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 5,133 with Other, 950 with ISO9001, and 237 with ISO13485 certification.