This Skull and Floral pin is made of 18k Tri-Color Gold. It contains round rubies weighing 1.97 CTTW, round multi color sapphires weighing 5.82 CTTW, round purple amethysts weighing 1.75 CTTW, round green tsavorites weighing 1.36 CTTW, round multi color, and VS clarity diamonds weighing 0.94 CTTW.