Art Deco sapphire and diamond cocktail ring. Set horizontally with a round old cut natural unenhanced sapphire in an open back claw setting with a weight of 2.00 carats, and two round old cut natural unenhanced sapphires in similar settings with a combined weight of 2.00 carats, bordered by forty eight tapered French cut natural unenhanced sapphires in open back rubover channel settings with a combined weight of 4.00 carats and additionally set with twenty eight round old cut diamonds in open back grain settings with a combined approximate weight of 1.50 carats. The total approximate sapphire weight is 8.00 carats, to a geometric undulating cluster with Greek Key adornment, millegrain highlights and intricate pierced backholing, the integrated petal shaped shoulders with engraved decoration flow through to a solid D-shape shank. Tested platinum, circa 1935. UK finger size M.