This mixed shapes blue sapphire and diamond necklace is 18 inches in length, made of 14K white gold, and weighs 1.9 DWT (approx. 2.95 grams). It contains 5 mixed shape blue sapphires weighing 1.14 CTTW and 24 round G-H color, VS clarity diamonds weighing 0.16 CTTW. The chain is adjustable.