A few other Tiaras
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French Empress Marie Louise's Emerald diadem.. boy is this a beauty..
French amethyst tiara, circa 1820-1830
The Manchester Tiara, French, 1903. Designed by Cartier. Accepted by HM Government in lieu of Inheritance Tax and allocated to the V & A Museum, 2007. Photo: Angela Moore. V Museum.
"Pearl Crown" which is in a museum in Munich, Germany. Via Eugenia on Flickr.
"Catherine the Great tiara." Not unless she was a very recent bride. Faux bridal crown, yours for 65 GBP. http://www.tiarasandcrowns.com/product_info.php?products_id=142&osCsid=14bd3ce5df8be626922b9d2646685561
Very pretty, but I'd worry about the pearls being rather fragile. Drachenstein Treasures.
Habsburg Tiara, Austria (19th c.; diamonds). Tiara of Stéphanie of Belgium, Crown Princess of Austria and wife of Rudolf, Crown Prince of Austria, Hungary and Bohemia.