A SAPPHIRE, DIAMOND, EMERALD AND ONYX PANTHER RING, BY CARTIER

A SAPPHIRE, DIAMOND, EMERALD AND ONYX PANTHER RING, BY CARTIER Of crossover design, figuring a pavé-set diamond and sapphire panther with emerald eyes, onyx nose and slightly articulated paws, the opposing terminal set with a cushion-shaped sapphire, weighing approximately 5.22 carats, ring size 6½, with French assay marks for platinum and gold, in red suede Cartier pouch Signed Cartier, no. 37561C <i>Accompanied by report no. 16030006 dated 7 March 2016 from the Gübelin GemLab stating the sapphire shows indications of heating, and an Information Sheet on 'Sapphires, origin not determinable'.</i>