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 "Venetian Princess" collection, these gorgeous drop earrings feature shimmery trios of 7.5mm carved mother-of-pearl flowers. Finely crafted in polished 18kt yellow gold. Length is 1 3/4". Made in Italy. Post/clutch, Roberto Coin mother-of-pearl drop earrings.