Roberto Coin cuff bracelet from the Pois Moi Collection. 18-karat white gold shapes squared bangle. Pave black diamond panel, dotted with round-cut white diamonds. 5. 49 total diamond carat weight. Roberto Coin signature hidden 0. 3 carat ruby. Divot details. 10. 5mm (approx. 1/2") wide. Approx. 6 1/2" circumference. Hinged; box clasp. Made in Italy.