This is an authentic TIFFANY 18K Yellow Gold 3mm Half Circle Channel-Set Band Ring 43 2.75. The ring is crafted of 18 karat yellow gold and features round brilliant cut diamonds, approximately .32 total carat weight, channel-set on a slightly tapered band. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.