The name of the raw stone is The Cullinan. Its significant diamonds are named Cullinan with Roman numerals appended, and rank in size Cullinan I-IX. Cullinan I and II are set within the crown jewel regalia.
You can read more about them, below.
Of course because of their provenance, they are priceless. As to scrap value (price of the gold and gems etc) - is probably the "Imperial State Crown" as it has over 3,000 gems including the diamond known as the Second Star of Africa (the second largest stone cut from the celebrated Cullinan Diamond), the Black Prince’s Ruby, the Stuart Sapphire, St Edward’s Sapphire and Queen Elizabeth’s Pearls. There is also the Sovereign’s Sceptre on which is mounted the first Star of Arfica (all 530 carats of flawlessness)
The Kohinor.
cullinan
The Cullinan -- as cut -- is featured in the British Crown Jewels. You can read more, below. The Cullinan remains the largest raw diamond ever found, weighing over 3,000 carats. It fit into the palm of an adult male's hand.
In the Tower of London, as part of the UK Crown Jewels The Kohinoor diamond is a part Royal Collection housed in Queen's Gallery London. It is priceless. The Koh-i-noor diamond is kept at the Tower of London Jewel House, set into a crown. According to Wikipedia: "The Koh-i Nur is believed to have originated in the state of Andhra Pradesh in India." Today, the diamond is mounted in Queer Alexandra's diamond crown and is considered part of the Crown Jewels of the United Kingdom. The Crown Jewels are kept in London, England.
The Koh-i-nor diamond is part of the Crown Jewels of Great Britain, and is kept in Great Britain. It is mounted in the crown of the Queen.
The Kor-i-noor diamond may be the most famous diamond, with the longest history that goes back about 5,000 years.The gem has changed hands several times, generally as a spoil of war. There are no records of robbery attempts on the gem, per se.Currently, it is part of the British crown jewels, which are closely guarded..
Koh-i-Noor is a Persian term meaning "Mountain of Light." It is also the name of a famous diamond that has a long and storied history, passing through various hands and countries over the centuries. Today, the Koh-i-Noor diamond is part of the British Crown Jewels collection.
"Crown jewels" are the various crowns, necklaces, pendants, and implements that traditionally belong to the monarch or royal family of a kingdom. They are usually ornately formed using precious metals and gemstones (hence the name).
They belong to the 'Crown' or the institution of the monarchy/state. The Crown is represented by the Reigning Monarch, and is above the monarch in status (the crown is passed on from one monarch to the next). Don't think The Crown is some from of company or organisation. And don't think the Monarch owns the Crown. The Crown owns everything.
The Cullinan's largest stone is mounted in the head of the Sceptre with the Cross, part of the British crown jewel regalia. The second largest stone is mounted in the crown worn by Queen Elizabeth II during royal ceremonies. When not being worn, it can be seen at the Crown Jewels Museum in London. Read more, below.
Which crown? The Imperial State Crown has diamonds pearls emeralds sapphires and rubies. However the Jewel in the Crown is an expression used to refer to India which metaphorically was the "jewel in the crown" i.e. the most important part of the crown, in this case India was the most important part of the British Empire.
The "Imperial State Crown" is a part of what is collectively known as the "Crown Jewels". Due to the 3,000 plus precious gems comprising the crown, it probably defies valuation and falls into the category of "priceless".
The "St. Edwards Crown" is a part of what is collectively known as the "Crown Jewels". Due to the 444 precious gems comprising the crown and the fact that it is constructed from solid gold, it probably defies valuation and falls into the category of "priceless".
In 1668 Jean Baptiste Tavernier, a French traveler and gem merchant, sold a blue diamond weighing 112 3/16 carats (more than twice the size the diamond is today) to King Louis XIV of France. Tavernier would say only that the diamond had come from India. Louis XIV had the gem recut and set as a pendant as part of the crown jewels.