The Grand Duchess Vladimir Tiara sometimes known as the Diamond and Pearl Tiara, was bought, along with a diamond rivière, by Queen Mary from Grand Duchess Elena Vladimirovna of Russia mother of the Duchess of Kent in 1921 for a price of £28,000. 

The grand duchess, known after her marriage as Princess Nicholas of Greece, inherited it from her mother, Grand Duchess Maria Pavlovna, who received it as a wedding gift from her husband in 1874. It originally had 15 large drop pearls and was made by the jeweler Carl Edvard Bolin at a cost of 48,200 rubles.