The Ocean Tiara: Created in 2011 by Van Cleef & Arpels. It was made to represent ocean waves and can be converted into a necklace. Materials: more than 850 diamonds and 359 sapphires in three shades, totaling over 1,200 stones and 70 carats. Provenance: Princess Charlene of Monaco, from Prince Albert II of Monaco on the occasion of their 2011 wedding. Van Cleef & Arpels created unique jewelry for Princess Charlene of Monaco, a gift from her husband, Prince Albert II.
g Willem - Alexander and Queen Maxima, Princess Laurentien and Prince Constantijn of The Netherlands attend the opening of the Prince's Day 2016 (Prinsjesdag) at the Binnenhof in The Hague on September 20, 2016. Prince's Day (Prinsjesdag ) is the day on which the reigning monarch of the Netherlands addresses a joint session of the Dutch Senate and House of Representatives in the Ridderzaal or Hall of Knights in The Hague