Pop Quiz

What is the largest diamond ever discovered?

The Hope diamond?

The Star of Africa?

Nope. It's Lucy. the Star of africa (which is a part of the British crown jewels) is just a wimpy 530 carats. Lucy is about 10 billion trillion trillion carats, or 10,000,000,000,000,000,000,000,000,000,000,000 carats, whichever you prefer. Try fitting that in a ring setting. The thing of it is, it's not here on earth. It's a star. That's right- a star with a massive diamond core. Seriously, you can read about it here.