Item #: 212471 This is an authentic TIFFANY & CO Platinum Diamond Etoile Solitaire Ring size 4.5. This enchanting engagement ring is pure platinum and has a roud cut diamond. Enjoy this special ring for someone special with the unforgettable style of Tiffany & Co. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.