This is an authentic TIFFANY Platinum Diamond Green Tourmaline Soleste Oval Ring size 53 or 6.25. This is a platinum ring featuring a 6.35 carat green tourmaline stone and pave-set round brilliant cut diamonds, approximately 1.14 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.