Princess Katharina Henckel von Donnersmarck’s Emerald and Diamond Tiara

Princess Katharina Henckel von Donnersmarck’s Emerald and Diamond Tiara The tiara is composed of eleven rare Colombian emerald pear-shaped drops, which are rumored to have belonged to Empress Eugenie. The tiara was commissioned around 1900 by a German prince for wife, Katharina, and was last sold at a Sotheby’s auction in Geneva for $12.7 million.