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About product and suppliers:
        Alibaba.com offers 1,257 cz rough products. About 91% of these are loose gemstone, 1% are silver jewelry, and 1% are earrings. 

A wide variety of cz rough options are available to you, such as free samples. 

There are 1,257 cz rough suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of cz rough respectively. 

Cz rough products are most popular in North America, Western Europe, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 484 with Other, 48 with ISO9001 certification.