14K QUARTZ & OPAL PENDANT: 14K yellow gold pendant contains one emerald cut smoky quartz. WEIGHT: 40.00 Ct. Approx. 18 cabochon cut and faceted Mexican fire opal and jelly opal. WEIGHT: 3.50 Ct. Approx. The gemstones are prong set. 14K 16'' etched herringbone chain attached. Gold weight: 14.0 grams approx.