Item #: 1669500 This is an authentic TIFFANY 18K Rose Gold Diamond Letter O Pendant Necklace. The necklace is crafted of 18 karat rose gold and features a letter "O" pendant accented with pave-set round brilliant cut diamonds, approximately .08 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.