This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American Geoscientists can't say if diamonds are ...

Western Australia’s pink diamonds were brought to the surface from deep underground around 1.3 billion years ago when the former supercontinent Nuna broke up. Pink diamonds are extremely rare and ...

CC0 Usage Conditions ApplyClick for more information. Each year, millions of visitors come here to see one of the most iconic specimens exhibited in any museum, the Hope Diamond. Renowned jeweler ...

Boulder, Colo., USA: If you’ve ever held or beheld a diamond, there’s a good chance it came from a kimberlite. Over 70% of the world’s diamonds are mined from these unique volcanic structures. Yet ...

As sanctions, wars and shifting trade alliances reshape global supply chains, one unlikely commodity continues to sit quietly ...