Founded in Vicenza, the City of Gold in 1977, Roberto Coin jewelry celebrates the elegance of femininity, creativity and craftsmanship. This… Founded in Vicenza, the City of Gold in 1977, Roberto Coin jewelry celebrates the elegance of femininity, creativity and craftsmanship. This classic oval bangle bracelet shines all over in high-polished 18kt yellow gold. A designer staple you'll reach for time and time again. 3/16" wide. Hinged. Made in Italy. Box clasp, Roberto Coin 18kt yellow gold oval bangle bracelet.