Item #: 120479 This is an authentic CARTIER 18K White Gold 5mm Spartacus Chain Necklace. This necklace is 18 karat white gold and hangs at the collar. The bold yet elegant appeal of this necklace is the chain itself, classic gold links that create a classic style, from Cartier. Follow this item for alerts. Cartier is a registered trademark of Cartier. FASHIONPHILE is not affiliated with Cartier.