18K Yellow Gold Diamond Vintage Ring Ribbed Pierced Diagonal Torsade Dome Turban. The ring is meticulously pierced between yellow and white gold "waves" / fluted stripes. Dates back to around 1960s. Diamonds: Count: 24, approximate weight is 0.70 ctw (estimated in the mounting). Approximate measurements: the face is 8.5 mm wide at the center.The center is elevated 6 mm above the wearer's finger.