A luminous .55 carat, GIA certified round cut diamond is set into the center mounting of this handsome platinum engagement ring. The vintage ring also features glowing round cut diamonds on each shoulder and curling ribbons of fine faceted diamonds on the band. Strings of delicate milgrain decoration cover the mounting. The ring measures 5.46 mm in width. Circa: 1940. Size 5 1/4. We can re-size.