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 "Jasmine" collection, these feminine flower earrings shine in rich 18kt yellow gold with two dainty diamonds sparkling in the middle. Made in Italy. Post/clutch, Roberto Coin 18kt yellow gold flower earrings.