Founded in Vicenza, the City of Gold in 1977, Roberto Coin jewelry celebrates the elegance of femininity, creativity and craftsmanship. Comp… Founded in Vicenza, the City of Gold in 1977, Roberto Coin jewelry celebrates the elegance of femininity, creativity and craftsmanship. Completely classic and a must for any jewelry box, this .23 ct. t.w. diamond station necklace shines on an 18kt yellow gold cable chain. Made in Italy. Lobster clasp, Roberto Coin diamond station necklace.