Item #: 1879750 This is an authentic TIFFANY Platinum Diamond Square Cut Half Circle Wedding Band Ring 48 4.5. The ring is crafted of platinum and features a tapered band with channel-set square step-cut diamonds, approximately .90 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.