18kt yellow gold Vintage Roberto Coin braided band with 2 pave diamond stations 0.15ct, size 8.75 (no sizing) Roberto Coin is a prominent italian luxury jewelry designer based in Vicenza, known asIitaly's "City of Gold". He launched his own brand in 1996. His designs are heavily influenced by Italian history, nature, and architecture, particularly from his birthplace, Venice. Each piece features a small ruby, usually set into a hidden place on his jewelry.