Marie Antoinette's Pear Diamonds. These diamond earrings once supposedly belonged to Marie Antoinette. The earrings were later acquired by the Grand Duchess Tatiana Yousupoff. Their authenticity was attested to in an affidavit by Russian Princess Zenaide Yousupoff and her son, Prince Felix Yousupoff, stating that they originally belonged to Queen Marie-Antoinette and had never been reset in the one hundred years that they were in the family.
Grand-Duchess Anastasia's Sapphire Necklace Tiara, The first thing to know is that this sapphire and diamond tiara was originally a necklace, which story started in 1879, when grand-duchess Anastasia Mikhailovna of Russia married grand-duke Friedrich Franz III of Mecklenburg-Schwerin. The necklace came into the Danish royal family when it was left to her elder daughter, Queen Alexandrine, spouse of King Christian X of Denmark.