A large pink diamond believed to have been passed down from France's Queen Marie Antoinette to her daughter is going up for auction in New York next month — and is expected to sell for millions ...

A rare pink diamond with ties to European royalty is set to be auctioned in New York next month, with estimates reaching up to €4.6 million. The 10.38-carat kite-shaped gemstone, believed to ...

Although no official records confirm its early ownership, the diamond has long been linked to royal lineage. After reappearing at a Geneva auction in 1996, the stone vanished from public view. Now ...

A man who stole two diamond engagement rings worth more than £12,000 went to the police the next day because the guilt had made him unable to sleep. Christopher Varghese, 42, went into Barry Bott ...

A fancy-vivid-pink diamond ring stole the show at the recent Bonhams jewelry sale in Hong Kong, where it brought in HKD 4.4 million ($567,724). The piece features a modified shield brilliant-cut, 1.08 ...

In today’s CEO Daily: Diane Brady talks about Trump’s assault on the universities. The big story: U.S. debt investors do not like Trump’s “big beautiful bill.” The markets: The bond ...

86.5 x 83 cm. (34.1 x 32.7 in.) ...

Sarine Technologies posted a net loss in the first quarter as companies paused a large portion of diamond-scanning activities amid concerns over tariffs. The company reported a net loss of $100,000 ...