Bow tie" pin with emerald cabochon, sapphires and diamonds

Needle "Fly" with cabochon-cut emerald, 2 small sapphires and brilliant-cut diamonds totalling ca. 0.35 ct, good colour and clarity, 18K yellow and white gold, 6.3 g, 25x2 cm, L: 6.5 cm, with safety chain, late 20th century, good condition, nice workmanship.