This beautiful diamond and genuine onyx pendant is crafted of 14k white gold. The pendant measures 0.76 inches (19mm) x 0.60 inches (15.25mm). The semi-precious stone measures 0.48 inches (12mm) wide and 0.48 inches (12mm) high. The total carat weight of 1/10. This pendant is available with a 16 inch, 18 inch or 20 inch chain.