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About product and suppliers:
        Alibaba.com offers 1,818 curved sapphire products. About 4% of these are lenses, 1% are gold jewelry, and 1% are loose gemstone. 

A wide variety of curved sapphire options are available to you, such as glass, plastic. You can also choose from plano-convex, plano-concave. As well as from free samples, paid samples. 

There are 1,829 curved sapphire suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Hong Kong, and United States, which supply 99%, 1%, and 1% of curved sapphire respectively. 

Curved sapphire products are most popular in Western Europe, North America, and South America. 

You can ensure product safety by selecting from certified suppliers, including 33 with ISO9001, 19 with Other, and 4 with ISO13485 certification.