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 "Tiny Treasures" collection comes a resplendent take on a traditional symbol of faith. This classic cross necklace is illuminated by .45 ct. t.w. diamond rounds and set in 18kt white gold. Suspends from a cable chain with a 2" extender. Made in Italy. Lobster clasp, Roberto Coin diamond cross necklace.