This is an authentic TIFFANY 18K Rose Gold Diamond .18ct. Solitaire Pendant Necklace. This lovely necklace features a 18 karat rose gold chain with a single bezel set round cut diamond weighing approximately .18 total carat weight. Wear this piece for an unforgettable look only from Tiffany! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.