This emerald and diamond halo necklace is 16 inches in length, made of 18K white gold, and weighs 3.8 DWT (approx. 5.91 grams). It contains 22 round green emeralds weighing 0.33 CTTW, 5 baguette G color, VS clarity diamonds weighing 0.40 CTTW, and 64 round G color, VS clarity diamonds weighing 0.51 CTTW.