The Chaumet Emerald Tiara

Grand Duchess Charlotte wears the Chaumet Emerald Tiara, ca. 1920

Not all royal families have a tiara in their collections that’s fit for a superhero, but I think Wonder Woman could borrow the Art Deco-style emerald tiara from Luxembourg in a heartbeat. (I assume superheros attend more white-tie events than we mere mortals do, of course. Can you tell I saw the new Wonder Woman film this week?)

Royal Ascot Jewels 2017 (Day 4)

DANIEL LEAL-OLIVAS/AFP/Getty Images

As the week goes on, the royal crowd at Ascot generally thins, but we've still got a few bejeweled royals (and former royals!) to share from today's races.

The Daily Diadem: Queen Mary's Fringe Tiara

Queen Elizabeth II of United Kingdom, Queen of New Zealand, wears Queen Mary's Fringe Tiara with the City of London Fringe Necklace and the Silver Fern Brooch in an official Diamond Jubilee Portrait, ca. 2012; read more about the tiara over here and the brooch over here!

This Week in Royal Jewels: June 16-22

June 16-22, 2017

We were incredibly spoiled for choice this week where royal jewels are concerned, but here's my selection of the very best pieces of the week. Be sure to vote for your favorites in the poll below (and/or add your own list in the comment section)!

Carlos Alvarez/Getty Images

10. Queen Letizia of Spain chose her white gold and diamond starburst earrings from Yanes to attend a cultural program for schools in Aviles on Tuesday.

The Daily Diadem: The Belgian Sapphire Tiara

DOMINIC LIPINSKI/AFP/Getty Images

Queen Elizabeth II of the United Kingdom wears the Belgian Sapphire Tiara with pieces from the George VI Sapphire Suite at a state banquet for the President of Colombia, November 2016; read more about the tiara over here and the sapphire suite over here!