About product and suppliers:
            152 gem diamond mining products are offered for sale by suppliers on Alibaba.com, of which loose gemstone accounts for 17%, mineral separator accounts for 7%, and other mining machines accounts for 1%. 

A wide variety of gem diamond mining options are available to you, 

There are 149 suppliers who sells gem diamond mining on Alibaba.com, mainly located in Asia. The top countries of suppliers are United States, China, and India, from which the percentage of gem diamond mining supply is 1%, 77%, and 17% respectively.