Item #: 855332 This is an authentic TIFFANY 18K White Gold Diamond Knot Key Pendant Necklace. The necklace is crafted of 18 karat white gold and features a knot motif key pendant pave-set with sparkling round brilliant cut diamonds, approximately .17 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.