Silver and 18K (750) gold brooch depicting an insect, the abdomen in cushion sapphire, the eyes in ruby, the wings set with rose-cut diamonds, the tail in fine baroque pearl. Work of the end of the XIXth century. Dimensions : 4 x 2,5 cm approximately. Gross weight: 10.2 g (chips). The jewel is accompanied by a report LFG (2022) attesting: sapphire origin Thailand-Cambodia, not heated; fine pearl of sea water, no indication of treatment A late 19th century insect brooch