- Maria Melchior; sold by her husband, Lauritz Melchior, after her death in 1963
- Queen Ingrid of Denmark; purchased by her husband, King Frederik IX of Denmark, sometime before 1967
- Queen Margrethe II of Denmark; inherited from her mother in 2000
- Did the tiara originally belong to Grand Duchess Anastasia of Mecklenburg-Schwerin, King Frederik IX's maternal grandmother?
- When was this tiara created?
- What jeweller created this tiara?