18K (750) gold and silver set including: a brooch with a cabochon moonstone surrounded by rose-cut diamonds, embellished with rubies, a pair of cufflinks in 18K gold, diamonds and rubies and a pair of matching collar buttons. Work of the early 20th century. Length : 5,7 cm approximately. Gross weight : 15 g An early 20th century moostone, diamonds and rubies set