Item #: 758703 This is an authentic TIFFANY Platinum Diamond Columbian Emerald Cocktail Ring 54 7. This is an elegant platinum ring featuring a 4.05 carat Colombian emerald framed by round brilliant cut diamonds, approximately .75 total carats. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.