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        Alibaba.com offers 237 lab certified gemstone products. About 89% of these are loose gemstone. A wide variety of lab certified gemstone options are available to you, such as sapphire, zircon, and opal. You can also choose from natural, mineral gemstones, and synthetic (lab created). As well as from pear cut, marquise cut, and emerald cut. And whether lab certified gemstone is color play or fire, color change, or star. There are 238 lab certified gemstone suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Hong Kong, which supply 47%, 46%, and 4% of lab certified gemstone respectively. Lab certified gemstone products are most popular in North America, Western Europe, and South America. You can ensure product safety by selecting from certified suppliers, including 45 with Other, 10 with ISO9001 certification.
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