Crowning Achievements: The World's Most Beautiful Tiaras

Royal Tiaras
Tim Graham / Getty Images

The Girls of Great Britain and Ireland Tiara
Princess Victoria Mary Augusta Louise Olga Pauline Claudine Agnes — Mary of Teck, for short — received this tiara as a gift from the Girls of Great Britain and Ireland when she married George V in 1893, becoming Queen Mary. (The "girls" were actually a group of ladies who lunch, led by socialite Lady Eve Greville.) Originally, pearls sat atop the tiara's nine spikes, but Mary replaced those finials with diamonds. Look familiar? That's because Queen Elizabeth appears on British currency wearing this tiara, which Mary gave her as a wedding present.

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