18kt yellow gold 18" Vintage Roberto Coin "Carnaby Street" black jade, green onyx & 0.12ct pave diamond station necklace. Roberto Coin is a prominent Italian luxury jewelry designer based in Vicenza, known as Italy's "City of Gold". He launching his own brand in 1996. His designs are heavily influenced by Italian history, nature, and architecture, particularly from his birthplace, Venice.The “Carnaby Street” collection pays homage to the 1960s "Swinging London" scene. The pieces are characterized by bold geometric cushion shapes and a fusion of mid-century aesthetics with modern Italian craftsmanship. Gemstones used in Carnaby Street include green onyx, black jade, Mother-of-Pearl and other opaque gems.