Item #: 155282 This is an authentic TIFFANY & CO 18K White Gold Diamond Cross Pendant Necklace. This stylish limited edition necklace has a short 18K white gold chain with a .02 ctw diamond at the center of a 18mm small cross pendant, by Tiffany. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.