THREE GEM-SET RINGS

THREE GEM-SET RINGS, comprising; an Art Deco jade and diamond ring, set with an oval jadeite cabochon between circular-cut and rose-cut diamond set bifurcated shoulders, in platinum and white gold, stamped 18ct and platinum, size P 1/2, a diamond cluster ring, set with a cluster of round brilliant-cut diamonds in white gold, to an earlier 18ct yellow gold shank, maker's mark H&M, with Birmingham hallmarks for 1924, and an opal triplet ring, of open work abstract design, in yellow gold, stamped 9ct, size M 1/2