World's biggest uncut diamond sells for?
Correct answer: B. $53-M
- A. $43-M
- B. $53-M
- C. $63-M
- D. $73-M
Explanation
The 1,109-carat Lesedi La Rona, one of the largest gem-quality uncut diamonds ever found, was sold to jeweller Laurence Graff for $53 million. The $53 million figure therefore matches option b.
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Inventions and Discoveries covers the people, dates, principles and practical uses behind developments such as the wheel, printing press, telephone, electricity, radio, computer, internet, vaccines and space technology. It distinguishes an invention, which creates a device or process, from a discovery, which identifies something already present in nature.
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