From Tiaras to Brooches, Marvel at the British Royal Family's Gem Extravaganza
3. The Parure of Cambridge Sapphire
Donn by: Teck's Queen Mary Since 1818, the owner Value Estimate: $26,280–$39,420* Among the Royal Collection's oldest items is the Cambridge Sapphire Parure. In 1818, the Parure first appeared. Its name comes from August of Hesse-Kassel, Duchess of Cambridge, who married Prince Adolphus in 1818 and rose to the title of duchess. On her daughter's wedding day in 1943, the Duchess gave her the Cambridge Sapphire Parure.

4. The Turquoise Tiara by Teck
Worn by: Gloucester Duchess Brigitte Been in possession since 1850 Value Estimated: $43,846.50* Mary of Teck bequeathed the Gloucester Tiara Collection, which includes the Teck Turquoise Tiara. Two generations of duchesses have worn the Teck Turquoise Tiara, which features an incredibly elaborate design that blends turquoise and diamonds. The Teck Tiara was once owned by Mary Adelaide of Cambridge and was a piece of turquoise-heavy jewelry.
