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About product and suppliers:
        Alibaba.com offers 115 1 karat diamond products. About 5% of these are loose gemstone, 3% are rings, and 1% are gold jewelry. 

A wide variety of 1 karat diamond options are available to you, such as paid samples, free samples. 

There are 115 1 karat diamond suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of 1 karat diamond respectively. 

 karat diamond products are most popular in North America, Eastern Europe, and South America. 

You can ensure product safety by selecting from certified suppliers, including 3 with Other certification.