Art Deco solitaire aquamarine ring. Set with one octagonal emerald-cut natural aquamarine in an open back four claw setting with an approximate weight of 10.78 carats, to an elegant openwork collet with scrolling motif and rectangular backholing, flanked by raised shoulders with ridged detail and leading through to a solid flat shank. Tested platinum, inscribed inside 'F 146 ENGG', circa 1935.
