STERLING ONYX & AMETHYST BANGLE: Bangle is constructed of two solid black onyx pieces with sterling findings. The top piece of onyx is faceted. Bezel set in the center is a faceted oval cabochon shaped amethyst. Weight: 3.50 Ct. Approx. The amethyst is rated SI in clarity, P in Hue, 2 in Tone and 2 in Saturation. The amethyst is foil backed.