CABOCHON SAPPHIRE RING Set with an oval cabochon sapphire, the openwork platinum setting is set with brilliant-cut diamonds in the Art Deco style. Gross weight: 11.94 g. Finger size: 52 (with spring) Weight of the sapphire: approx. 10 to 12 carats. Height: 1.3 cm. A sapphire, diamond and platinum ring, in the Art deco style. Gross weight : 11,94 gr. Size : 52 (with spring) Sapphire weight : 10 to 12 carats approx. Height : 1,3 cm.