Era: Retro Estate Composition: Platinum Primary Stone: One Natural Cabochon Black Opal Carat Weight: Approximately 4.13 Carats Accent Stone: Round Brilliant and Emerald Diamonds Carat Weight: 0.81 Carats In Total Color/Clarity: VS2-SI1 / G-H Ring Size: 8.5 Ring Weight: 9.8 Grams Item Barcode: 543879