Shop for truly unique diamonds in Beverly Hills, CA, from Clean Diamond Inc. of Beverly Hills, California. Our founder Ron Cohen is a wholesale diamond dealer with 30 years of unparalleled service and countless satisfied customers around the world. We've now opened our doors to you, the consumer, so you may buy directly from us. We are your prime source for custom-crafted diamond engagement rings, custom-made jewelry, and GIA certified diamonds, as well as high-end vintage watches. We are well-connected in the diamond world with a network of direct links to the biggest mining companies in Africa and Russia. Contact us to arrange an appointment.