Art Deco fancy yellow diamond ring. Set centrally with one cushion shape old mine natural fancy yellow diamond, VS1 clarity, with a weight of 0.67 carats, in an open back four claw setting flanked by two rectangular baguette cut diamonds in open back half rubover settings with a combined approximate weight of 0.42 carats, to a structured geometric pierced gallery with shaped backholing, flowing through to stepped open work trumpeting shoulders leading to a slim shank. Marked platinum, circa 1925, accompanied by HRD Antwerp report #180000147973.
