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, ...

On top of it, the marketplace for diamonds can be really confusing. There are grades of clarity and color that lead to an overall quality rating. And, of course, diamonds are very expensive. The ...

Formed millions to billions of years ago, diamonds can shine light into the darkest and oldest parts of the Earth's mantle. The analysis of ancient, superdeep diamonds dug up from mines in Brazil and ...

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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 ...

A 37-carat diamond, half pink and half colorless, found in Botswana, intrigues scientists due to its two-stage origin and ...

Pink diamonds are extremely rare and coveted — a now-closed mine in Australia has been the source of 90% of the colored gemstones. Polished pink specimens of the highest grade can sell for tens of ...

Carl Walsh holds a QUT postgraduate research award (PRA) scholarship. Balz Kamber receives funding from the Australian Research Council for Discovery Grant DP220100136 for work that will build on the ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." For people who want to get married, the diamond engagement ring is a tale as old as time—and advertisers ...

If this is the year of the anti-bride, then naturally, the next thing to fall by the wayside after “something blue” is the engagement ring. Specifically, the traditional diamond. While gemstones are ...

Food and diamonds usually intersect only in the hyper-opulent realm populated by the likes of the world's most luxurious cake decorated with thousands of diamonds, or the most expensive drinking ...