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, this stunning 18kt yellow gold ring presents an artful flower dotted with a rich 1.25 carat round pink rubellite cabochon. Includes a hidden Roberto Coin signature inside: a tiny gemstone as a secret gift of good wishes to every woman wearing it. Brushed and polished finishes. Made in Italy. 3/4" wide. Roberto Coin pink rubellite flower ring.