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Gems

Coober Pedy's Serbian Orthodox Church—owned by the Diocese of Australia and New Zealand—is just one of the city's otherworldly underground buildings.

Half of the Inhabitants of This Australian Opal Capital Live Underground

Unearth Coober Pedy, the Outback’s hidden city

Though the new method can't produce these large sparklers yet, it may be an important part of future diamond production.

New Research

Weird New Type of Carbon Is Harder (and Brighter) Than Diamond

Dubbed Q-carbon, the material is magnetic, emits a soft glow and can be used to grow diamonds faster and cheaper than ever before

Raymond C. Yazzie, 2012. Coral, Lone Mountain and Orvil Jack turquoise, opal, sugilite, 14-karat gold. Collection of Janice Moody.

Why is Turquoise Becoming Rarer and More Valuable Than Diamonds?

With depleting mines, turquoise, the most sacred stone to the Navajo, has become increasingly rare.

On Oct. 30, 1964, a policeman dusts for fingerprints on case broken into by a cat burglar who made off with some $200,000 in jewels from the Museum of Natural History.

How Three Amateur Jewel Thieves Made Off With New York’s Most Precious Gems

The fascinating story of the hunt for Murf the Surf, a criminal who wasn’t quite the mastermind he made himself out to be

Would you want a ring made from the cremated remains of a friend or family member?

Tech Watch

A Startup Claims To Turn the Dead into Diamonds

The Swiss-based company, Algordanza, says it’s developed a technology that transforms the ashes of a deceased loved one into keepsake jewelry

A computer simulation of how the Hope Diamond likely appeared when it was owned by King Louis XIV of France. The sunburst inside the stone results from specially-cut facets on its back, which produce a translucent area that conveys the color of the diamond's gold mounting.

New Research

The Hope Diamond Was Once a Symbol for Louis XIV, the Sun King

New research indicates that the stone was once specially cut to produce an image of a sun when mounted on a gold background

Jeffrey Post, curator of the Smithsonian’s National Gem and Mineral Collection, says the size of the Dom Pedro Aquamarine is “unprecedented.”

Introducing the Dom Pedro Aquamarine

The one gem that can rival the Hope Diamond is finally on display at the Natural History Museum

Over the past three years, tourists have pulled more than 1,000 precious stones from the ground at Crater of Diamonds State Park in Arkansas.

The Curious Case of the Arkansas Diamonds

In a state park full of amateur diamond miners, one prospector dug up a valuable stone worth thousands of dollars—or did he?

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H. Tracy Hall, Diamond Pioneer

Crown Koh-i-noor Diamond

Gem Gawking

Where to See Famous Diamonds

Amber Room

A Brief History of the Amber Room

Dubbed the “Eighth Wonder of the World,” the room that once symbolized peace was stolen by Nazis then disappeared for good

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, insured for one million dollars. Surrounded by 16 white pear-shaped and cushion-cut diamonds and hanging from a chain with 45 diamonds, the rare gem attracts 6 million visitors a year to the Natural History Museum.

Diamonds Unearthed

In the final installment of this three-part series, diamond expert Jeffrey Post discusses the histories behind the Smithsonian collection

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, insured for one million dollars. Surrounded by 16 white pear-shaped and cushion-cut diamonds and hanging from a chain with 45 diamonds, the rare gem attracts 6 million visitors a year to the Natural History Museum.

Diamonds Unearthed

Smithsonian diamond expert Jeffrey Post discusses conflict diamonds, colored diamonds and synthetic gems grown in the lab

At 23.1 carats, the gem is one of the largest Burmese rubies in the world.

Romance And The Stone

A rare Burmese ruby memorializes a philanthropic woman

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, insured for one million dollars. Surrounded by 16 white pear-shaped and cushion-cut diamonds and hanging from a chain with 45 diamonds, the rare gem attracts 6 million visitors a year to the Natural History Museum.

The Hope Diamond

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Tantalizing Turquoise

The brilliant blue-green gemstone, prized by admirers from ancient times to our own, commands a booming, billion-dollar market

A Gem of an Exhibition

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Mysterious Pearls

Did they once belong to Vietnam’s royal family? Perhaps. But for Ben Zucker, a “sleuth” of the gems trade, seeking the answer matters more than finding it

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