This is an authentic TIFFANY 18K Rose Gold Diamond .16ctw Circlet Pendant Necklace. The necklace is crafted of 18 karat rose gold and features a round brilliant cut diamond with a halo of additional diamonds, weighing approximately .16 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.