Diamonds

The 7.46-carat brown diamond is about the size of a gumdrop.

French Tourist Finds 7.46-Carat Diamond at Arkansas State Park

Julien Navas plans to have the brown gem split into two pieces so he can give half to his fiancée and half to his daughter

Consumer products made from carbon capture can't undo the damage we’ve done to our planet—but each of them exists thanks to innovations that could. 

Little Luxuries Made With Captured Pollution Hint at Big Frontiers in Climate Science

Entrepreneurs are using jewelry, fragrances and clothing to demonstrate what’s possible with repurposed carbon—and environmentalists have questions

Pink diamonds form when the gems' crystalline structure gets bent under intense pressure.

Geologists Unravel the Mysteries of Australia's Rare Pink Diamonds

The dazzling, blush-colored gems likely emerged from Earth's mantle some 1.3 billion years ago, when a supercontinent named Nuna broke up, study suggests

Aspen Brown unearthed the golden-brown diamond while visiting Crater of Diamonds State Park with her family.

Girl Celebrating 7th Birthday Finds 2.95-Carat Diamond

Aspen Brown stumbled upon the pea-sized, golden-brown gem while visiting an Arkansas park

An employee of the Historical Circle Kesteren at a dig in the Dutch village of Ommeren, where researchers hoped to find treasure German soldiers buried during World War II

What Happened to the Treasure Nazis Buried in This Dutch Village?

The Dutch National Archives released a map supposedly leading to the trove of jewelry, coins and precious stones in January

Adam Hardin's 2.38-carat brown diamond "Frankenstone" is the size of a pinto bean.

Treasure Hunter Unearths 2.38-Carat 'Frankenstone' Diamond

Adam Hardin discovered the impressive brown gem at an Arkansas state park

The researchers named the mineral davemaoite, after the well-known geophysicist Ho-kwang (Dave) Mao.

From Deep Within Earth's Mantle, This Never-Before-Seen Mineral Hitched a Ride to the Surface in a Diamond

Scientists previously synthesized the mineral in a lab using immense amounts of pressure, but they were surprised to find it in nature

The French queen purchased the pair of diamond bracelets for 250,000 livres in 1776.

Marie Antoinette's Diamond Bracelets Are Going Up for Auction

The jewels carry an estimate of $2 to $4 million but may fetch a far higher price

A police barrier tape hangs in front of Dresden's Royal Palace, which houses the Green Vault.

Authorities Arrest Three Suspects in $1 Billion Dresden Jewel Heist

Investigators linked the November 2019 burglary to an organized crime syndicate

One of the scrolls being scanned by the Diamond Light Source and digitally deciphered.

Light Billions of Times Brighter Than the Sun Used to Read Charred Scrolls From Herculaneum

The eruption of Mount Vesuvius in 79 A.D. carbonized papyrus scrolls, which may now be readable

A piece of the Almahata Sitta in Sudan

Diamonds Trapped in Strange Meteorite Came From Solar System's Earliest Planets

Impurities in the diamonds could only have formed within a planet the size of Mercury or Mars

Never-Before-Seen Mineral Found Inside a Diamond

The diamond acted as a container, keeping a piece of calcium silicate perovskite stable as it moved towards the Earth’s surface

The 910-carat diamond discovered in Lesotho

World's Fifth-Largest Diamond Found in Lesotho

The 910-carat gem is a D-color, type-IIa stone, meaning it is completely colorless and has no visible impurities

For the first time, scientists have created near-perfect cubic zirconia replicas of the diamond in its previous forms. From left to right: the original brought from India, King Louis XIV’s “French Blue” and the Hope Diamond.

Now There Are Near-Perfect Copies of the Hope Diamond

Scientists created cubic zirconia replicas of the historic gem's previous forms—the original brought from India and the famous "French Blue"

It May Rain Diamonds Inside Neptune and Uranus

Scientists have finally simulated the long-proposed shower of gems

Nördlingen is located in a crater in southern Germany.

This German Town Is Embedded with Millions of Tiny Diamonds

Scientists estimate that Nördlingen and the surrounding area contain approximately 72,000 tons of the gemstone

The largest gem-quality diamond ever found in North America goes on view at the Smithsonian.

The Foxfire Diamond Bedazzles as Smithsonian's Newest Rock Star

The largest gem-quality diamond ever found in North America glows bright blue in the dark

Since diamonds are forever, your data could be, too.

New Method Could Store Massive Amounts of Data in Diamond Defects

Scientists use lasers to probe the gem's flaws, creating data storage that could potentially last forever

A man fills up buckets with dirt while hunting for diamonds at Crater Diamonds State Park in Murfreesboro, Arkansas.

Finders, Keepers: Five of the Best Places to Go Gem Hunting in the U.S.

From diamonds to emeralds, the United States is full of buried bling

Queen Victoria's coronet

The U.K. Bans Queen Victoria’s Coronet From Leaving British Soil

The government has placed the artifact under an export ban in hopes a collector will keep it in-country

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