14 Karat Amethyst Diamond Earrings. Each earring features a 11.6 x 9.6mm oval bezel-set Amethyst cabochon 3.25ct with three round 2.5mm diamonds along the the wide gold bezel. The diamonds have a total carat weight of 0.30ct. The earrings have a post and push back. Each earring measures 18mm wide x 19.8mm tall. The total gold weight of the earrings is 14.38 grams.