Bulgari sapphire and diamond bow brooch, circa 1980, designed as a stylised ribbon-bow centring a collet-set oval yellow sapphire stated to weigh 12.19 carats, flanked by pave-set diamonds between lines of custom-cut blue sapphires, the diamonds together weighing approximately 1.10 carats, mounted in 18ct gold, length 55 mm, width 20 mm, numbered Bxxxx0, Italian workshop registration marks, signed Bulgari.