This black onyx and diamond halo dangle pendant is made of 14k yellow gold and weighs 2.4 DWT (approx. 3.7 grams). It contains a round black onyx disc adorned by a halo of 77 single cut diamonds G color, VS clarity weighing 0.24 CTTW. The disc measures 1.25 inches in diameter. The necklace measures 18 inches in length and comes with adjustments.