Art Deco diamond solitaire ring. Set with a cushion shape old mine diamond, I colour, VS2 clarity, with an approximate weight of 1.04 carats, in an open back raised double claw setting, to a geometric styled collet with delicate pierced detail to the collet and open backholing, the gently sloping shoulders lead through to a slim flat shank. Marked platinum, maker's mark, French, circa 1920, accompanied by Gemmological Certification Services report #5776-4167.
