Item #: 1311395 This is an authentic TIFFANY Platinum Diamond Mini Vintage Oval Key Pendant Necklace. The necklace is crafted of platinum and features a key shaped pendant pave-set with round brilliant cut diamonds weighing approximately .14 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.