This is an authentic TIFFANY Platinum Diamond .50ctw Princess Cut Half Circle Eternity Band Ring size 54 or 7. The ring is crafted of platinum and features a half eternity style band pave-set with round brilliant cut diamonds, approximately .50 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.