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 beautiful earrings feature dazzling .75 ct. t.w. round brilliant-cut diamonds and .38 ct. tot. gem wt. pink rubellite, tanzanite, sky blue topaz and citrine gems that elevate the feminine floral design. Crafted in polished 18kt rose gold. Made in Italy. Post/clutch, Roberto Coin multi-gemstone and diamond flower earrings.