Graff Diamonds is a British jeweler. Founded by Laurence Graff in London in 1960, it has developed to about 40 branches throughout New York, Dubai, Taipei, Hong Kong, Shanghai, Beijing and other places. Graff specializes in the field of diamonds, and independently completes the search, processing and design of rough stones. Founder Laurence Graff once proudly said: Over 70% of the world’s yellow diamonds come from Graff.