Charles Lewis Tiffany founded Tiffany & Co in New York City in 1837. His fame spread far and wide after he obtained some of the famous crown jewels of France in 1887. He introduced the first retail catalog and the signature six-prong Tiffany setting for diamonds, which has become the standard for engagment rings around the world. Gray & Sons has an incredible selection of signed estate jewelry - including famous label jewelry from such names as Cartier, Bvlgari, Van Cleef & Arpels, Tiffany & Co., David Yurman, etc. Gray & Sons is not an authorized dealer of any name brand jewelry on our website. Authenticity is guaranteed or your money back!