This emerald and diamond halo necklace is 16 inches in length, made of 18K white gold, and weighs 2.5 DWT (approx. 3.89 grams). It contains one pear cut, green emerald weighing 0.73 CT, one pear cut, G color, VS clarity diamond weighing 0.11 CT, and 26 round G color, VS clarity diamonds weighing 0.28 CTTW.