Lauren Sánchez didn’t wear her pink diamond engagement ring down the aisle, but she did put it on display in her wedding ...

While it may look like a blazing red ruby, the 2.33-carat Winston Red Diamond is just that—a diamond. One of the rarest diamonds in the world, the Winston Red Diamond is on display at the Smithsonian ...

A collection of 18 rare diamond-bearing meteorites from around the world came from an ancient dwarf planet that smashed into a giant asteroid 4.5 billion years ago, according to new research.

Jeff Bezos asked for Lauren Sánchez's hand in marriage two years ago with a ring believed to be worth about $5 million. Their ...

A rare blue diamond was on display Tuesday at an exhibition of $100 million worth of the world’s rarest diamonds in the United Arab Emirates’ capital, Abu Dhabi.

Behold: one of the rarest gems on Earth. This is the Winston Red, a mind-blowingly coveted and deeply mysterious “Fancy red diamond” that’s recently been given the scientific treatment for ...

A diamond brooch hidden in a jewelry box of low-value items was spotted by an expert and later sold for over $3,100, helping to break auction records for the U.K. firm that sold it.

As mentioned, the rarity of diamonds changes based on where you are looking. There is a good chance of finding diamonds in buried chests. This number is almost 60%, which makes the odds of finding ...

Diamonds might be forever but that doesn't stop them being bought and sold. One stone thought to have once belonged to Marie ...

Pink diamonds are extremely rare and coveted. But a discovery made in Western Australia near a now-closed mine may help reveal new deposits of the jewels, researchers say.

To look for evidence of water, the team analyzed a very rare diamond mined from 410 miles below the surface of the Earth. The gem-quality diamond was found at the Karowe mine in Botswana.

A beautiful blue flaw in a gem-quality diamond from Botswana is actually a tiny fragment of Earth’s deep interior—and it suggests our planet’s mantle contains oceans’ worth of water.. The ...