18K rose gold onyx and diamond butterfly pendant. The pendant contains two specialty cut black onyx that make up the butterfly wings, 2.30ctw. These onyx are bezel set, and are each surrounded by round full-cut, natural diamonds. The body of the butterfly is also set with round full-cut, natural diamonds. The total carat weight is 0.26ctw., prong and bezel set. The pendant measures approx. 22.5 x 15.5mm and hangs on a diagonal, on an 18" adjustible rolo chain. 4.5 grams.