Queen Elizabeth II’s funeral service has nearly ended, and her body will be transported from Westminster Hall and will slowly make its way to the Royal Vault at St. Georges Chapel at Windosr Castle.

The Crown Jewels, the name by which the imperial crown and sceptre are known, have been placed on top of her coffin as her funeral procession makes its way to her family’s resting place.

Also Read | Queen Elizabeth II funeral: Details of late monarch’s coffin

They are often called the nation’s most precious treasures. Together, the crown, the sceptre and the ball are made of more than 100 objects, over 23,000 gemstones and hold great historical, cultural and symbolic meaning to the Royal Family and many residents of the United Kingdom. At the hear of the crown jewels are what are called the Coronation Regalia. As the name suggests, the Regalia is used during coronation ceremonies. The last time it was used was to crown the late Queen Elizabeth II in 1953. 

Also Read | Queen Elizabeth II’s funeral by the numbers: Key facts and figures

Here are some details on the Imperial State Crown.

The Imperial State Crown contains 2,868 diamonds, 11 emeralds, 4 rubies, 269 pearls and 17 sapphires. It weights over a kilogram. 

Originally, the Imperial State Crown was built for the coronation ceremony of King George VI in 1937, he was Queen Elizabeth II’s father. She was made Queen of England on June 2, 1953.

Also Read | Queen Elizabeth II’s funeral: All hymns, songs played at the event

The Imperial State Crown is worn at the end of the coronation ceremony to mark the beginning of the new monarchy, but also for formal occasions like the State Opening of Parliament. 

The orb and the cross which are a part of the crown were originally adorned Queen Victoria’s State Crown of 1838. It is set with more than 650 rose cut diamonds.

Also Read | Queen Elizabeth II’s funeral: UK PM Liz Truss reads the Gospel of John

The front cross of the crown has a stone called The Black Prince’s Ruby inlaid in it. It is actually a semi-precious stone called a balas or spinel. It is said that it was worn by King Henry V on his helmet during the Battle of Agincourt. 

Lastly, there is the Koh-I-Nur diamond, which is inlaid in the crown. It was handed over by the deposed Maharaja Duleep Singh in 1849 to the East India Company as part of the Treaty of Lahore.