Item #: 888965 This is an authentic TIFFANY Platinum Diamond Mini Vintage Oval Key Pendant Necklace. The necklace is crafted of platinum and features a key motif pendant set with sparkling round brilliant cut diamonds, approximately .14 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.