Queen Margrethe II of Denmark wears the Pearl Poire Tiara at a gala celebrating her Ruby Jubilee, January 2012; read about the tiara’s history — and its lost tiara twin — over here!

Crown Princess Mary of Denmark wears the Midnight Tiara at the wedding of Princess Madeleine of Sweden, June 2013; read all about this intriguing modern tiara over here!

Queen Margrethe II of Denmark wears the tiara and jewels from the Danish Emerald Parure at a gala celebrating her 70th birthday, April 2010; learn all about this incredible suite of jewelry here!