A Huge Black Diamond, Purportedly From Outer Space, Is Now Up for Sale, Smart News

The gem known as the 'Enigma' is expected to fetch around $7 million at auction, though experts are skeptical of its cosmic origin

Rare Black Space Diamond To Be Auctioned by Sotheby's

138 UFOs were spotted in N.J. last year. Here's a map that shows where.

The Enigma': Billion-year-old black diamond 'from outer space' to go under the hammer, UK News

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Black diamond weighing 555.55 carats that scientists think formed in SPACE goes up for auction

This Massive 'Space Diamond' Is Incredibly Rare, And It Just Sold For $4.3m

Mystery black diamond, possibly from space, goes up for auction

A 555.55-carat black diamond believed to come from space is going on sale

Space news: 'Out of this world' 555-carat diamond dubbed 'Enigma' on sale in UK for £5m, Science, News