Centering an oval cut opal cabochon measuring 8.75 x 13.5 mm Black in body color with strong blue/green play-of-color Set with yellow gold talon prongs with halo surround Comprised of round brilliant cut diamonds Weighing approximately 0.54 carats total G/H color with VS2 clarity - prong set in platinum Flanked by cathedral shoulders Completed by tapered shoulder With high polish finish Stamped for 18 karat gold and platinum Numbered and fully signed for Cartier Circa: 1960s Ring Size: 7 1/4 and sizable Measures north to south 18.0 mm and sits 7.5 mm high Total Weight: 5.6 grams Stock Number: We-13734