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        Alibaba.com offers 260 lab certified gemstone products. About 95% of these are loose gemstone. A wide variety of lab certified gemstone options are available to you, such as sapphire, emerald, and turquoise. 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 lab certified gemstone is color play or fire, star, or pleochroic/pleochroism. There are 261 lab certified gemstone suppliers, mainly located in Asia. The top supplying countries are India, China (Mainland), and Hong Kong, which supply 52%, 42%, 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 46 with Other, 8 with ISO9001 certification.
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