You are viewing a large 14K yellow gold stacking style ring. The ring measures 13 mm or just over 1/2" by 18 mm or around 3/4" across. It is set with a two carat Amethyst and a two carat Blue Topaz. They are nice quality stones. The ring is marked 14K. It is a size 6 with a thick shank and can be re-sized. The ring weighs 9.6 grams.