A tribute to its founder, Fifth Avenue brings the savoir-faire of 18 Place Vendôme Stateside with touches of 31 Rue Cambon — Coco Chanel’s famed apartment handle. Interiors expand on a palette of gold and black, moments of rock crystal and — as Marino is understood to do — a outstanding assortment of latest and fine artwork, antiques, custom-made furniture and lighting. “New York has always been key to Chanel,” Frédéric Grangié, president of watches and jewelry at Chanel, advised WWD forward of the grand opening. Van Cleef & Arpels has hosted programs to train the next technology of jewellers…