31. CARTIER: 'MELI MELO' RING COLOURED STONES AND DIAMONDS Set with a cabochon of blue chalcedony, an aquamarine and a round spessartite garnet, two pear-shaped and baguette-cut pink tourmalines, and three brilliant-cut diamonds, signed Cartier, numbered, French hallmarks for platinum (850°/00), master hallmark partially effaced, size 55, gross weight 13.73 g, accompanied by a case and a certificate of authenticity from Cartier.