The Daily Diadem: The Pearl Button Tiara

Michel Porro/Getty Images

Queen Beatrix (now Princess Beatrix) of the Netherlands wears the Pearl Button Tiara for a state banquet in honor of Grand Duke Henri of Luxembourg in The Hague, April 2006; learn more about the tiara over here!

Lady Granard's Diamonds

Christie's

Today in Geneva, Christie's will auction an impressive collection of jewels that belonged to an intriguing British aristocrat. Here's a closer look at the jewels that once belonged to Beatrice Forbes, Countess of Granard.

The Daily Diadem: Princess Anne's Festoon Tiara

PHILIPPE WOJAZER/AFP via Getty Images

The Princess Royal wears her diamond festoon tiara and accompanying jewels for a state banquet at Windsor Castle in honor of the President of France, March 2008; more on the jewels here!

Glittering Jewels for Empress Masako in Japan

Takashi Aoyama/Getty Images

Emperor Naruhito and Empress Masako of Japan continued their enthronement celebrations with a grand party and parade in Tokyo this weekend, and Masako wore gorgeous jewels for the occasion.

The Daily Diadem: The Chaumet Emerald Tiara

J.D. Noske/Anefo/Nationaal Archief/Wikimedia Commons

Grand Duchess Charlotte of Luxembourg wears the Chaumet Emerald Tiara (and Queen Juliana of the Netherlands wears the Dutch Diamond Bandeau) during the Dutch state visit to Luxembourg, June 1951; more on Charlotte's tiara here and Juliana's tiara here!