About product and suppliers:
            310 rough sapphire products are offered for sale by suppliers on Alibaba.com, of which loose gemstone accounts for 75%, lenses accounts for 1%, and abrasives accounts for 1%. 

A wide variety of rough sapphire options are available to you, 

There are 309 suppliers who sells rough sapphire on Alibaba.com, mainly located in Asia. The top countries of suppliers are India, China, and India, from which the percentage of rough sapphire supply is 20%, 79%, and 20% respectively.