This fantastic ring is vintage circa anywhere from the 1960s to 1980s. It is by the famous maker David Webb and is just beautiful. It has an oval shaped cabochon cut turquoise which measures about 17.00 x 13.00 mm and it is screw set. The mounting is bright 18k yellow gold and the enamel work is white and is in excellent condition. The ring is a size 7 1/2 and the top portion measures 7/8 x 3/4 inches. The Webb mark is inside the ring.