Item #: 861383 This is an authentic TIFFANY Platinum 18K White Gold Diamond Star Key Pendant Necklace. This necklace is crafted of platinum and 18 karat white gold chain, and features diamonds in a starburst shape in skeleton key motif, approximately .35 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.