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About product and suppliers:
        Alibaba.com offers 28,224 round zirconia products. About 42% of these are loose gemstone, 14% are silver jewelry, and 9% are earrings. 

A wide variety of round zirconia options are available to you, such as color play or fire, star, and iridescence/iridescent. You can also choose from heat, waxing/oiling, and fracture filling. As well as from synthetic (lab created), mineral gemstones. And whether round zirconia is round brilliant cut, or heart cut. 

There are 28,224 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, Western Europe, and South America. 

You can ensure product safety by selecting from certified suppliers, including 4,856 with Other, 1,126 with ISO9001, and 238 with ISO13485 certification.