Centering an oval-shaped opal cabochon measuring 9.0 x 12.0 mm Black in body color with strong violet and blue play-of-color Prong set with a halo surround of round brilliant cut diamonds Bisected by square step cut diamonds at shoulders Weighing approximately 0.86 carat total - G color with VS2 clarity Flanked by tapered shoulders With high polish finish Inscribed with carat weights Stamped for platinum With maker's mark Circa: 21st century Ring size: 5 3/4 and sizable Measures north to south 16.0 mm and sits 8.0 mm high Total weight: 7.3 grams Stock Number: We-12528