This huge black diamond just sold for $4.3 million. No one knows where it came from.

Geologists still can't say for sure whether the enormous stone called the Enigma crystallized in Earth’s mantle or fell from outer space.
Geologists still can't say for sure whether the enormous stone called the Enigma crystallized in Earth’s mantle or fell from outer space.

the rock: Pear-shaped giant diamond 'The Rock' expected to fetch

Le fabuleux destin du diamant noir géant Enigma – Questions de

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Amirul Ashraf posted on LinkedIn

Alexandra Stileman on LinkedIn: So happy to be part of the JM dream team

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Rough Market The Diamond Loupe

Alexandra Stileman posted on LinkedIn

Jabel Jewelry (@JabelJewelry) / X

555-Carat 'Enigma' Black Diamond Sells for $4.3M Via

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Jabel Jewelry (@JabelJewelry) / X

GIA (Gemological Institute of America) on LinkedIn: This huge

Nikolaos Eleftheriou posted on LinkedIn

This huge black diamond just sold for $4.3 million. No one knows