You are viewing a fine quality 18K yellow gold dome style multi-colored stone ring made in the 1980's. The ring measures 13 mm or just over 1/2" up the finger by 22 mm or over 3/4" across. It is set with fancy cut Blue Topaz, Citrine, Amethyst stones with pave Diamonds. The stones weigh around 4 1/2 carats in total. The ring is marked both: 18k and 750. The ring is a size 7 1/2 with a thick shank and can be re-sized. The ring weighs 9.9 grams.