- Grand Duchess Victoria Feodorovna of Russia; from her husband, Grand Duke Kirill Vladimirovich of Russia, on the occasion of their 1905 marriage
- Queen Marie of Romania; bought from her sister after the Russian Revolution
- Queen Helen of Romania; from her mother-in-law on the occasion of her 1921 marriage to King Carol II of Romania
- Queen Anne of Romania; from her mother-in-law on the occasion of her 1948 marriage to King Michael of Romania
- Crown Princess Margarita of Romania; from her mother
- Princess Maria of Romania; at her 1995 wedding to Casimir Mystkowski
- Which jeweller created this tiara?