This is an authentic TIFFANY Platinum Diamond .21ctw Half Circle Wedding Band Ring 47 4. This stunning platinum ring features a half-circle of brilliant round diamonds in a channel setting with a total approximate carat weight of .21 carats. Enjoy this classic wedding band, with the brilliance and sophistication only from Tiffany! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.