You are viewing a fine 18K yellow gold Italian ring made in the Art Nouveau era around 1910. The ring measures 17 mm or 5/8" long up the finger by 19 mm or 3/4" across the finger. Inset in the top is a flat cabochon of Black Onyx. The sides are all heavily engraved. The ring is marked: 18K Italy. The ring is a size 8 with a thick shank and can be re-sized. The ring shows some wear in spots and along the shank which can be polished out. The ring weighs 8.5 grams.