This multi color key pendant necklace is made of 14K rose gold and is 18 inches in length. It contains round green emeralds weighing 0.10 CTTW, a round purple amethyst weighing 0.02 CTTW, round G color, I1 clarity diamonds weighing 0.15 CTTW, and round yellow sapphires weighing 0.13 CTTW.