Aquamarine and diamond ring. Centrally set with an octagonal emerald-cut natural aquamarine in an open back claw setting with an approximate weight of 6.00 carats, flanked by six round old cut diamonds in open back grain settings with a combined approximate of 0.06 carats, to an elegant solitaire design featuring polisehd edges, a linear pierced gallery and geometric open backholing, the slightly raised shoulders tapering to a solid D-shape shank. Marked platinum, maker's mark 'G S', circa 1950.