Brooches Jewels : Cartier, Paris, Brooch-pendant, 1922, platinum, one pear-shaped diamond, round o… 27 October 2018 3351 Brooches Jewels : Cartier, Paris, Brooch-pendant, 1922, platinum, one pear-shaped diamond, round old- and rose-cut diamonds, coral, and onyx. Cartier Collection.