This is an authentic TIFFANY 18K Yellow Gold Large Signature X Pendant Necklace. The necklace is crafted of an 18 karat yellow gold chain that holds an " X" shaped pendant. This is a beautiful necklace with the iconic look only from Tiffany! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.