Modern scientists consider Lucy to be the biggest diamond in the universe. Lucy is a star consisting of diamonds! It's a crystallized white dwarf. Its technical name is BPM 37093, and the name Lucy was given to the star after the song Lucy in the Sky with Diamonds by the Beatles. Can you imagine a diamond 4000 km across?! That's Lucy! Its estimated carat weight is 10 billion trillion trillion carat. It used to be a bright star, but then the star faded, and now Lucy is just the compressed core of it. Lucy belongs to the constellation Centaurus and is located in 50 light-years from our planet.

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