Jeweler Harry Winston donated the famous Hope Diamond—the largest-known deep blue diamond in the world—to the Smithsonian Institution in 1958. It arrived in a plain brown package by registered mail, ...

Provided you have ever been amazed by the shine of a diamond, then there must have been a moment when you questioned how it entered your jewelry box instead of remaining under the Earth’s surface.

Why it's incredible: The now-closed mine is the source of 90% of pink diamonds on Earth. The Argyle mine held the biggest cache of pink diamonds ever discovered on Earth. Unlike blue and yellow ...

Scroll down to begin the experience. Botswana’s Jwaneng Mine sits on the edge of the Kalahari Desert, a vast expanse spanning much of southern Africa, its arid plains peppered with acacia trees and ...

A team of Chinese scientists may have cracked the secret behind the strange Canyon Diablo diamonds. Hexagonal in form rather than cubic, the process behind how these diamonds formed has, until now, ...

Scientists have discovered ancient diamonds which have provided new clues about the Earth’s evolution. Researchers discovered ancient superdeep diamonds, which hail from mines in Brazil and Western ...

Deep below the surface of our world, far beyond our feeble reach, enigmatic processes grind and roil. Every now and then, the Earth disgorges clues to their nature: tiny chthonic diamonds encasing ...

Diamonds are formed deep within the Earth’s upper mantle, and a phenomenon called kimberlites plays a crucial role in bringing them to the surface. Kimberlites are volcanic eruptions that bring ...

A giant pink diamond found in Lesotho surprises the market: 108 carats, extreme purity, and a value that could reach tens of ...

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 ...

Britain’s Crown Jewels include a “super-deep” diamond that was formed close to the Earth’s core. The Cullinan Diamond is the largest diamond ever discovered and experts have used pioneering laser ...