Nice find! Lovely piece but after a first glance I don't think it's diamonds and sapphires but rather silver and enamel.
--Previous Message-- : The Dutch Royal family has several insect : jewels (see: : http://www.dutchroyaljewels.nl/Insect_Brooches.htm : ) : : I came across an old photo of the late Queen : Juliana with an other butterfly brooch with : some sapphires on the wings. I can't : remember we have seen this one again. : Perhaps some of her personal jewels. : : These photos are taken on 16th januari 1998 : : : : :