Roberto Coin necklace from the Princess Collection. 18-karat yellow gold with brushed finish. Scattered pavé white diamonds form geometric pattern. 1. 03 total diamond carat weight. Interior woven wire cage. Hinged sides; box and tongue clasp. Roberto Coin signature hidden 0. 3-carat ruby. Approx. 5"D; 0. 3"H; 16" outer length.