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 "Love in Verona" collection, these beautifully bold hoop earrings light up your look with round brilliant-cut diamonds in floral stations that pop against glossy black enamel. Crafted in polished 18kt yellow gold. Made in Italy. Length is 1/2". Hinged post, Roberto Coin enamel and diamond hoop earrings.