This 14K yellow gold ring with an amethyst and diamond halo features an oval, AA quality amethyst measuring 9 mm x 7 mm, surrounded by a halo of 16 round brilliant cut diamonds H-I in color and SI2 to I1 in clarity equaling 0.30 carats total weight. The size of the halo measures 15.35 by 13.80 mm on a 4.5 mm wide band.