You are viewing an 18K yellow gold Retro era cocktail ring from the 1960's. The ring measures 21mm or just under 1" long by 18mm. It is set with numerous matching blue Sapphires weighing around 1.50 carats in total. The ring is marked 18K. It is a size 7 1/4 and can be re-sized. The ring weighs 4.5 grams. Good condition.