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 ...

The discovery of two diamonds originating from the depths of the Earth's mantle reveals a chemical coexistence that scientists had until now deemed unimaginable. These precious stones, formed ...

Determining the authenticity of a diamond requires professional equipment and a highly trained eye. At-home tests do ...

Seemingly contradictory materials are trapped together in two glittering diamonds from South Africa, shedding light on how ...

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 ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A battered diamond that survived a trip from "hell" confirms a long-held theory: Earth's mantle ...

A pair of diamonds that formed hundreds of kilometers deep in Earth’s malleable mantle both contain specks of materials that form in completely opposing chemical environments—a combination so unusual ...

where staff identified the stone as a chocolate brown diamond, with unique inclusions. "Brown diamonds from the Crater occur due to a process called plastic deformation, which creates structural ...

Recent reports have spotlighted the most expensive diamonds ever purchased, capturing the fascination of collectors worldwide ...