You are viewing a fine quality 18K yellow gold Mod fashion ring from the 1980's. The ring measures 14mm or just over 1/2" long by 21mm. It is set with a fine cut 8 carat Madera Citrine. The ring is marked: 750 for 18K. It is a size 7 1/2 with a thick shank and could be re-sized. The ring weighs 11.3 grams.