The Daily Diadem: Princess Sibilla's Art Deco Tiara

Princess Sibilla's Art Deco Tiara (Photo: Andreas Rentz/Getty Images)

Countess Diane de Nassau wears the smaller version of her sister-in-law's diamond tiara at the pre-wedding gala for her nephew, Hereditary Grand Duke Guillaume of Luxembourg, 19 October 2012

A Royal Earring Recap

Queen Maxima and Queen Letizia's jewels on Monday (Photos: SANDER KONING/AFP/Getty Images, Jose Luis Cuesta - Pool/Getty Images)

While many royal watchers' eyes were on Canada, two of Europe's queens were out and about in major earrings yesterday. Here's a look at Letizia's and Maxima's jewel choices on Monday...

Royal Tour of Canada: Government House Reception

Kate attends a reception at Government House in Victoria (Photo: Chris Jackson/Getty Images)

After a day of casual events in Bella Bella, the Duke and Duchess of Cambridge fancied up for an evening Government House reception in Victoria. Kate wore a new red gown by Preen -- and added a few blingy touches, too.

Royal Tour of Canada: New Earrings in Bella Bella

The official welcome performance at Bella Bella (Photo: Ian Vogler - WPA Pool/Getty Images)

The Duke and Duchess of Cambridge continued their tour of western Canada today with a visit to rain-soaked Bella Bella. Kate was in more casual attire today, so the jewelry was kept to a minimum -- but we did get a new earring debut!

The Daily Diadem: The Small Nassau Floral Tiara

The Small Nassau Floral Tiara (Photo: Grand-Ducal Court of Luxembourg via Getty Images)

Princess Alexandra of Luxembourg wears the Small Nassau Floral Tiara at the pre-wedding gala for her eldest brother, Hereditary Grand Duke Guillaume, 19 October 2012