Vintage emerald and diamond cocktail ring. Set centrally with a rectangular step cut natural emerald with no colour enhancement in an open back rubover setting with an approximate weight of 1.00 carats, flanked by four round old cut diamonds in open back four claw settings with a combined approximate weight of 0.40 carats, to a heavy rectangular frame with finely pierced backholing, the broad integrated shoulders leading down to a solid tapering flat shank. Marked yellow gold and platinum, French, maker's mark, circa 1940s.
