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 "Princess" collection, this refined pair of flower earrings show off distinguished details. Icy diamonds in 18kt white gold petals shine from sunny roped borders of 18kt yellow gold for a charming two-tone look. Includes a hidden Roberto Coin signature inside: a tiny gemstone as a secret gift of good wishes to every woman wearing it. Made in Italy. Post/clutch, Roberto Coin diamond flower earrings.