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About product and suppliers:
        Alibaba.com offers 3,355 mm gems products. About 44% of these are loose gemstone, 7% are stone beads, and 1% are silver jewelry. 

A wide variety of mm gems options are available to you, such as ruby, zircon, and opal. You can also choose from round brilliant cut, oval cut, and pear cut. As well as from star, color play or fire, and color change. And whether mm gems is synthetic (lab created), mineral gemstones, or natural. 

There are 3,355 mm gems suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of mm gems respectively. 

Mm gems products are most popular in North America, South America, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 495 with Other, 297 with ISO9001, and 38 with ISO14001 certification.