Art Deco Burmese sapphire and diamond floral cluster ring in platinum. Centrally set with a 2.21ct octagonal mixed cut Burmese sapphire with no indication of heat treatment, in a millegrain setting, bordered by a row of round old cut diamonds in grain and millegrain settings, to a floral cluster design with scalloped edging, pierced gallery and square shoulders decorated to the inner with engraved details which smooths to solid shank.