The Evening Earring: Princess Charlotte's Art Deco Earrings

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Princess Caroline of Monaco wears a pair of earrings with cushion-cut diamond drops (plus Princess Grace's Diamond Festoon Necklace) for the National Day gala, November 2006; the earrings once belonged to Caroline's grandmother, Princess Charlotte, Duchess of Valentinois

The Daily Diadem: The Norwegian Amethyst Parure Tiara

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Crown Princess Mette-Marit of Norway wears the tiara and jewels from the Norwegian Amethyst Parure for a gala held the night before the wedding of Crown Prince Frederik and Crown Princess Mary of Denmark, May 2004; more on the amethysts over here!

Museum Week: The Marie Louise Diadem

Smithsonian National Museum of Natural History

Museum week continues today with a look at another spectacular sparkler from the Napoleonic era: the Marie Louise Diadem.

The Evening Earring: Princess Caroline's Carved Drop Earrings

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Princess Caroline of Monaco wears earrings featuring diamond-set studs and carved jade or emerald drops for the 55th annual Red Cross Gala in Monaco, August 2003; she has worn these earrings for numerous events, including the Rose Ball in 2006

The Daily Diadem: The Norwegian Emerald Parure Tiara

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Queen Sonja of Norway wears the tiara and accompanying jewels from the Norwegian Emerald Parure for a dinner celebrating the Ruby Jubilee of Queen Margrethe II of Denmark, January 2012; more on the emeralds over here!