Founded in Vicenza, the City of Gold in 1977, Roberto Coin jewelry celebrates the elegance of femininity, creativity and craftsmanship. From… Founded in Vicenza, the City of Gold in 1977, Roberto Coin jewelry celebrates the elegance of femininity, creativity and craftsmanship. From the "Diamonds by the Inch" collection, this lovely bracelet features .13 ct. t.w. round brilliant-cut diamonds in floral stations on an 18kt yellow gold rolo chain with a 1/2" extender. Made in Italy. Lobster clasp, Roberto Coin diamond station bracelet.