Item #: 552658 This is an authentic TIFFANY Platinum 2mm Knife Edge Band Ring 56 7.5. This elegant and simple ring features a narrow band in bright platinum. Enjoy this alone or stacked for an unforgettable style only from Tiffany! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.