Art Deco Aquamarine, Sapphire, Diamond and Platinum Ring, Circa 1935

An Art Deco aquamarine sapphire diamond and platinum ring, with an emerald-cut aquamarine, with three graduating faceted sapphires, flanked by round brilliant and eight cut diamonds in each shoulder, mounted in platinum, stamped IRID PLAT, American, circa 1935. Estimated aquamarine weight 20.00 carats.