18K 750) gold and silver brooch-pendant, featuring a 2-layer cameo on agate carved with a portrait of a young woman in profile "à l'Antique", the setting surrounded by enamel, set with rose-cut diamonds, punctuated with button pearls. Mid-19th century. Dimensions: approx. 5.5x4.3cm. Gross weight: 44.7g (missing enamel, metal clasp). A 19 th century cameo, diamond and pearl brooch