ART DECO PLATINUM EMERALD AND DIAMOND RING: An Art Deco Oscar Friedman platinum ring set with a deep green emerald surrounded by seventy round brilliant cut diamonds. The octagonal, step-cut, natural emerald gemstone weighs approx. 4.21 ct. The glittering diamonds weight approx. .77 cts. and are rated SI1-SI2 in clarity and G-H in color. Size 7. Total weight is 10.7g. Sold with an A.I.G.L. appraisal of $28,360. Est. $4000/6000**