Since 1837, Tiffany & Co. has been the world’s premier jeweler and America’s house of design. The masterpieces of Tiffany & Co. have defined style and celebrated the world’s great love stories. The King of Diamonds Founder Charles Lewis Tiffany had an abiding passion for the most beautiful diamonds. Crowned with a white ribbon, the Tiffany Blue Box is an international symbol of style and sophistication.