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, ...
Most diamonds are made of carbon recycled over and over again between Earth’s surface and its crust. But diamonds with the deepest origins — such as the famed Hope Diamond — are made of carbon from a ...
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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 ...
Washington, DC--New research from a team including Carnegie's Steven Shirey and Jianhua Wang explains how the world's biggest and most-valuable diamonds formed--from metallic liquid deep inside ...
A 37-carat diamond, half pink and half colorless, found in Botswana, intrigues scientists due to its two-stage origin and ...
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 ...
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