Princess Katharina Henckel Von Donnersmarck's Tiara Dubbed the most valuable emerald and diamond tiara in over 30 years in May 2011 by Sotheby's. The tiara is composed of 11 exceptionally rare Colombian emerald pear-shaped drops weighing over 500 carats in total. It sold for $12.7 million.
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.
Tiara of Marie Bonapart, Cartier, 1907, diamonds, platinum, consisting of twin pave set diamond olive branches meeting at a pear shaped diamond in the centre. The neo-classical tiara was particularly suitable for Marie Bonaparte (1882-1962) for it evoked the tiaras worn by the Bonaparte women during the First Empire of Napoleon I. As if to emphasises her background Princess Marie wore her tiara low on the brow just as the Empress Josephine had done. http://www.diamonddivas.be/index.php?id=37