Other royals matched the sparkle: Queen Máxima chose the Stuart Tiara featuring the 39.75-carat Stuart diamond; Princess Catharina-Amalia, 22, wore the Mellerio Ruby Parure Tiara; Princess Beatrix wore the Dutch Diamond Bandeau; Princess Margriet wore the Mellerio Diamond Tiara and Princess Laurentien the Dutch Laurel Wreath Tiara. Empress Masako appeared in Princess Chichibu's Diamond Honeysuckle Tiara.
Royal houses follow varied traditions for tiara wear. Several European families allow teenage debuts at state events, while British practice often links tiaras to weddings, with a few exceptions. Ariane's debut happened before her sister Princess Alexia, 20, who did not attend and is studying civil engineering at University College London.