Serena is a delicate Art Nouveau gemstone ring featuring a sweet .40 carat opal flanked by 2 original rose cut diamond accents. Crafted in the early 1900's in 18 karat rosy-yellow gold and beautifully finished with subtle engravings. ( English hallmarks are engraved inside the base of the ring shank). A distinctive opal ring, in very good condition. Size 6 and sizable. (ad 994 ns bx a)