This is an authentic TIFFANY 18K Yellow Gold Diamond 3mm Half Circle Wedding Band Ring size 48 or 4.5. The ring is crafted of 18K yellow gold and features a half band of channel set round brilliant diamonds weighing approximately .27 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.