All by all Princess Laurentien has worn a lot of jewels: the Ears-of-Wheat Diadem, the Laurel Leaf Diadem, the diadem from the Emerald Parure in the version with pearls, Queen Emma's floral motif diamond diadem, Queen Juliana's diadem with the aquamarines.
A pretty invisible lady but having seen lots of glimmers in the meantime...