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About Our Founder

Learn About Our Jewelry Store’s Founder

The owner and CEO of Clean Diamond Inc., Ron Cohen, is a diamond cutter and polisher extraordinaire. He purchased and began manufacturing the huge, world-famous Chloe diamond in 2005. It is a flawless, 84.37 carat diamond cut from rough stone. It sold in 2007 at auction in Geneva, Switzerland, to Georges Marciano, the founder of Guess Jeans. David Bennett, head of the Fine Jewelry Department at Sotheby's described the Chloe diamond as, "the most magnificent stone I've ever seen in my life."

Choose the finest diamonds at our jewelry store in Beverly Hills, CA


• Learn more about the World-Famous Chloe Diamond

Chloe Diamond Sold at Auction

Introducing the Chloe Diamond

The Famous Chloe Diamond

The Mazarin Diamond

About Us

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.