Item #: 266401 This is an authentic TIFFANY & CO Platinum Diamond Circlet Ring size 53.1 or 6.5. This art deco inspired ring features ten halo diamonds 1.08ctw set in platinum. This timeless piece will bring a special style to any look, from Tiffany & Co! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.