You are viewing a 14K yellow gold Modernist style ring made in the 1970's. It is set with a large,untreated, cabochon cut Lapis Lazuli stone. The ring measures 18 mm or 3/4" long up the finger by 18 mm across. It is marked 14K. It is a size 6 1/2 and can be re-sized. The ring weighs 11.5 grams.