The 'Picasso diamond' shows complex growth patterns highlighted by cathodoluminescence Geoscientists can't say if diamonds are forever, but they can say that some are already billions of years old.

Black carbonado diamonds are among the rarest gems on Earth, and a 555-carat specimen going to auction in February is especially noteworthy. As the Associated Press reports, "The Enigma" diamond is ...

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 ...

The largest uncut diamond ever found was the Cullinan, discovered in 1905 about 18 feet below ground in the walls of the Premier diamond mine, about 24 miles east of Pretoria, South Africa. The ...

Overall Count and Share for 'Institute of Diamond and Precious Metal Geology (IDPMG), SB RAS' based on the 12-month time frame mentioned above. Note: Articles may be assigned to more than one subject ...

Visitors to the American Museum of Natural History may be attracted by glitter, but scientists see more in the unusual stone. By David Belcher See more of our coverage in your search results.Encuentra ...

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 ...