amethyst brilliant-cut diamonds ring, 18 K / 750 white gold, 26 brilliant-cut diamonds together approximate 0, 3 ct, 1 x amethyst in oval cut approximate 10 ct, 66 x amethysts ( one stone missing) together approximate 0, 65 ct. RW 56 inside Dm 18, 3 mm, approximate 8, 9 g.