Cartier, Amulette de Cartier necklace, 18ct rose gold, designed as a circle inset with a three quarter black onyx disc and bezel-set with a 0.09ct round brilliant-cut diamond. Comes with a diamond-cut 18ct rose gold Cartier chain, signed Cartier 'BAW697, AU750', length 60 cm, total weight 9.9grams. Cartier box, Cartier certificate and receipt