You are viewing a fine quality 18K yellow gold ring made in the 1970's. The ring measures 12 mm or 1/2" long up the finger by 19 mm or 3/4" across the finger. It sits up off the finger 12 mm or 1/2". It is set with a dome shaped natural untreated Lapis Lazuli cabochon stone. The ring is faintly marked: 18K. It is a size 6 and can be re-sized. The ring weighs 7.2 grams.