You are viewing an 18K yellow gold ring from the early 1960's. The ring measures 12 mm or 1/2" wide up the finger by 20 mm across. It is set with a rich red Carnelian cabochon stone. The ring is marked 750 for 18K. It is a size 9 1/2 with a thick shank and can be re-sized. The ring weighs 4.7 grams.