Circular brooch with a cameo on white and brown agate decorated with a Renaissance woman in a collared bust in a yellow gold (750) and silver (800) setting, punctuated with rose-cut diamonds in closed setting. Pin in yellow gold (750). Late 19th century. Gross weight: 7.6 g - Diameter: 2.2 cm. Scratches and some chips to the diamonds; small chips to the cameo; scratches from use.