The tin was then buried in a deep hole beneath a sally port - an emergency exit from Windsor Castle.
In her comments made during the documentary, the Queen elaborates about the intricate Imperial State Crown and the even heavier 4-lb., 12-oz.
Royal commentator Alastair Bruce said the head has to be kept still when wearing it and the Queen agreed: "Yes".
Bruce watched the footage alongside Queen Elizabeth, but he does more than just reporting-he's also one of the queen's officers of arms, and he's such an expert in the semiotics (the language of symbols) of the nation that the Buckingham Palace often calls him for input and advice.
Librarian Oliver Urquhart, an assistant keeper of the Queen's Archives, has learnt of the story from the letters sent to the King's mother, Queen Mary.
And the trap door used to access the secret area where the artefacts were stored still exists today.
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This year saw a scaled-back State opening of Parliament Ceremony with the Queen arriving by vehicle rather than carriage and not wearing the Imperial State Crown or the Robes of State.
She jokingly says she can not look down when wearing the imperial state crown, which weighs 2lbs 13oz (1.28kg), as her neck would "break". After he delivers a sermon for the royal family at Windsor Castle, the queen says that she felt "a great joy" to be 'a simple congregant, being taught, being led.to be able to just disappear and be.
Britain's Queen Elizabeth has advised wearers of crowns not to look down in case they injure their necks, in a rare interview for a BBC documentary on her coronation in 1953. But once you put it on, it stays.
In the TV show, viewers will get to see the Queen's sense of humour as she talks candidly about the "horrible" golden carriage that she rode to the ceremony and the dangers of wearing a heavy crown.
The Queen recalled: "Well, I remember one moment when I was going against the pile of the carpet and I couldn't move at all". "Otherwise, they're quite important things".
"It's only sprung on leather", she added, and "not very comfortable".
The crown, made for King George's coronation in 1937, is set with 2,868 diamonds including 17 sapphires, 11 emeralds and hundreds of pearls, including four known as Queen Elizabeth I's earrings.