Crowning Achievements: The World's Most Beautiful Tiaras

Royal Tiaras
Tim Rooke / Rex / Rex USA

Sapphire Parure Necklace Tiara (the Netherlands)
Princess Maxima of Holland knows how to mix and match. She's taken the family's much loved diamond-and-sapphire choker and dressed it up with diamond and sapphire pieces from a set given to Queen Wilhelmina for her wedding. Add oversize earrings and a massive brooch, and you've got a real gem of a look.

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