Billion-Year-Old Black Diamond Sells for $4.3 Million - WSJ

The Enigma: Billion-year-old black diamond sold for £3.16m

One of the World's Biggest Diamonds Could Be Key to Some of the World's Fastest Microchips - WSJ

Elon Musk Has Sold Seven Homes for Nearly $130 Million After Vowing To 'Own No House' - Mansion Global

100-Carat Diamond Could Fetch $25 Million - WSJ

The Wall Street Journal on LinkedIn: Billion-Year-Old Black Diamond Sells for $4.3 Million

100-Carat Diamond Could Fetch $25 Million - WSJ

China Weaponizing Rare Earths Technology Will Probably Backfire - Bloomberg

Tiffany & Co. launches its first-ever line of diamond engagement rings for MEN

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