You are viewing an 18K yellow gold Modernist era ring made in Italy in the 1970's. The ring measures 17mm or just under 3/4" by 17mm. The ring is set with natural blue Sapphires weighing around 1/4 carat in total. The ring is marked: 18K Italy. The ring is a size 6 1/2 and can be re-sized. The ring weighs 5.5 grams.