Experts explain how this element plays a key role in the price and appearance of your sparkler. After countless hours of contemplating the carat size, cut, and color of a diamond, you may think you’ve ...

Feb. 23 (UPI) --Researchers have discovered a diamond that grew for more than 2 billion years. Inside the record-setting diamond are clues revealing a significant shift in the carbon cycle of early ...

A rare type of diamond may suggest that water can penetrate deeper into Earth's interior than scientists previously thought. Though more than 70% of our planet is covered with water, there is also ...

The analysis of ancient, superdeep diamonds dug up from mines in Brazil and Western Africa, has exposed new processes of how continents evolved and moved during the early evolution of complex life on ...

Some people see a giant diamond and think: I want that. Geologist Evan Smith sees a giant diamond and thinks: I’d like to study that. “Some of the diamonds I’ve looked at are probably worth multiple ...

Blue diamonds are among the most rare and valuable gems on Earth, but up until now, scientists knew very little about them. The most famous blue diamond is the Hope Diamond, which was discovered in ...