Item #: 120476 This is an authentic TIFFANY & CO 18K Yellow Gold Diamond Crown Key Pendant Necklace. This stylish necklace is composed of a 18K yellow gold chain and an 18-karat yellow gold key-shaped pendant set with 0.30 carats of brilliant pave diamonds. Indulge in this lovely necklace with the timeless style of Tiffany & Co! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.