From stunning diamond engagement rings to enchanting blue diamonds, Sotheby’s is proud to help you sell your quality diamonds and diamond jewelry from esteemed houses such as Tiffany & Co., Harry Winston, and Cartier. Our network of specialists in major selling centers such as Hong Kong, London, Geneva, and New York engage their extensive knowledge of diamonds and GIA standards to help you sell your diamond jewelry, whether you are looking to sell a diamond tennis bracelet, a loose yellow diamond, or a spectacular diamond engagement ring.
Sotheby's, your best and most reliable resource for selling your diamond rings, necklaces, bracelets and other jewelry, holds the current auction record for the highest price paid for any diamond or jewel. On April 2, 2019, Sotheby's sold a Spectacular 88.22-Carat Oval Brilliant Diamond – one of only three oval diamonds over 50 carats to appear at auction in living memory – for 107,993,000 HKD. To receive a complimentary estimate of your diamonds, you may contact one of our specialists below or simply submit images along with any additional information to Sotheby's through our easy-to-use online estimate form.