1. The Poltimore Tiara. Made in the 1870s, it was acquired by the Queen Mum for Princess Margaret to wear on her wedding day.

2. The Persian Turquoise Tiara. The future Queen Mum received this as a wedding gift from King George V. It was passed to Princess Margaret on her 21st birthday.

3. Greville Tiara. Made for Mrs. Greville (a socialite) in 1921, she willed it to the Queen Mum.

4. Delhi Durbar Tiara. This was made for Queen Mary for her trip to India in 1911. The Crown Jewels were not allowed to leave the U.K., so both The King and Queen had a new crown and tiara made.

5. Cartier Halo Tiara. The future King George VI gave this to his wife Elizabeth in 1936. It was given to Princess Elizabeth on her 18th birthday but she never wore it.

6. Lotus Flower Tiara. The future Queen Mum had this made out of a necklace given to her by her husband George VI in 1923.

7. Teck Crescent Tiara. Queen Mary inherited this from her mother The Duchess of Teck. The crescents and roses can be used as brooches.

8. The Meander Tiara. Princess Elizabeth received this gift from her mother-in-law Princess Alice. This is now in Princess Anne's possession, and she lent it to her daughter Zara for her wedding.

9. The Festoon Tiara. This was given to Princess Anne by the World-Wide Shipping Group. She lent it to Autumn Kelly on her wedding day.

10. Anne's Aquamarine Tiara. This was an anniversary gift from George VI to Elizabeth. She passed to to Princess Anne.

11. Sapphire Bandeau Tiara. Originally owned by Empress Marie Feodorovna of Russia, Queen Mary acquired it and left it to Queen Elizabeth, who lent it to Margaret.

12. Strathmore Rose Tiara. The Queen Mum received this tiara as a wedding gift in 1923. It can be broken down into brooches.

13. Sarah's Tiara. The Queen had this tiara made for Sarah Ferguson for her marriage to Prince Andrew.

14. Spencer Tiara. This tiara belongs to Diana's family.

15. Sophie's Wedding Tiara. Sophie borrowed this mystery tiara from The Queen for her wedding to Prince Edward.

16. Sophie has also worn these two tiaras, however little is known about their origin.