Three gem-set dress ringsComprising: a ring claw-set with three graduated circular-cut yellow sapphires, within millegrain rubover-set borders of single-cut diamonds, size N, British hallmarked 18ct white gold, estimated total diamond weight approximately 0.25ct; an amethyst and diamond circular cluster ring, size M½, stamped '18CT PLAT', estimated total diamond weight approximately 0.50ct; also an aquamarine and diamond oval cluster ring, size O, stamped '18CT', estimated total diamond weight approximately 0.42ct (3)