Tim Whitby/Getty Images

 

The Duchess of Gloucester wears Queen Mary’s Honeysuckle Tiara (with its pink center stone, plus coordinating jewels) for a banquet at the Guildhall in London in honor of the President of Mexico, March 2009; more on the tiara over here!

Princess Margaret of the United Kingdom wears Queen Mary’s Russian Bandeau with its sapphire center ornament for a banquet in Port of Spain during her visit to Trinidad and Tobago, April 1958; more on the tiara over here!

Princess Eugenie of York wears the Greville Emerald Kokoshnik for her wedding to Jack Brooksbank at St. George’s Chapel, Windsor Castle, October 2018; more on the tiara here!