the wings in moss-green plique- -jour enamel with diamond set rims and accents to the iridescent enamel markings in bluem orange and purple, the abdomen in diamond and purple enamel, facetted ruby eyes, a pear shaped diamond to each antennae, mounted in gold with platinum to the diamonds all of old cut, together with a fitted case with stamp for English jewellers Hall & Co Wingspan 8.5cm / 3 ''
Height 4.7cm / 1 7/8'' Weight: 31g
Late 19th century / early 20th century 'Noeud Louis XVI' diamond openwork ribbon bow brooch by Cartier, Paris c.1902, the loops and ribbon ends centred by alternating single stone and quatrefoil clusters,