Diamond ring, Tiffany & Co., the emerald cut diamond weighing 3. 05 carats is claw set between baguette diamonds together weighing approximately 1. 20 carats, mounted in platinum, signed Tiffany & Co., size J. Accompanied by a GIA certificate numbered 13291843 dated 18 March 2004, stating the diamond is 3. 05ct colour D, VS2, and with a Tiffany & Co.