You are viewing a fine large 18K yellow gold cocktail ring made in the late 1940's. The ring measures 27mm or over 1" long by 17mm. It sits up off the 15mm or over 1/2". It is set with a natural cognac colored Quartz stone weighing around 30 carats. The ring is marked: 18K. It is a size 7 with a thick shank and can be re-sized. There is a light scratch on the table. The ring weighs 12.8 grams.