18 karat rose gold Roberto Coin By The Inch Necklace, 34 inch long, containing 4.00 carat total of emerald-cut multi-colored stones surrounded by 4.00 carat total of diamonds.(Blue Topaz=1.65CTW, Citrine=1.28CTW, Peridot=1.49CTW, Pink Tourmaline=1.24CTW, Tanzanite=1.47CTW)