A fabulous diamond and ruby cocktail dress ring, vintage, circa 1940's, platinum, made as a large round dress ring of slightly domed profile, centrally set with an old cut diamond of approximately 0.70ct, bezel set, framed by open ended, unfurled channel set rails of rubies, each strong red/pink in colour, spaced and framed by bezel and grain set old cut diamonds, maintaining a scalloped outer profile, set to a split ruby set band.