Item #: 971486 This is an authentic TIFFANY 18K Rose Gold Diamond 1837 Circle Pendant Necklace. The necklace is crafted of 18 karat rose gold into a small disc pendant accented with a center diamond, approximately .04 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.