Donald Trump has been gazumped in his pursuit of a rare $2 million (£1.5 million) pure orange diamond - a gem ironically ...

The 300-carat necklace thought to be at the center of the infamous 'Affair of the Diamond Necklace' that contributed to the ...

Composed of approximately 300 carats of old mine-cut diamonds, the historic piece was once worn during royal coronations and ...

Did you know you can catch the stunning Diamond Fuji, where the setting sun aligns perfectly with Mt. Fuji, right from the ...

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A remarkably rare 18th-century diamond necklace, possibly tied to a scandal that played a role in the doomed 18th century queen of France, Marie Antoinette's downfall, has sold for an impressive ...

The necklace containing around 300 carats of diamonds was bought by an unidentified woman who put in her bid over the phone, ...

Prices for the rarest stones from Rio Tinto’s defunct Australian mine have long outperformed mainstream investments ...

A diamond necklace that has been worn at two British coronations, and is thought to contain stones from the infamous necklace ...

The 300-carat necklace thought to be at the center of the infamous 'Affair of the Diamond Necklace' that contributed to the French Revolution sold at auction in Geneva An extremely rare diamond ...

Jacques addresses the significance of the astounding Lucara Diamond recently discovered, and GIA's work helping dealers, ...

Jordan Pettitt/PA Images via Getty An extremely rare diamond necklace with possible historical links to Marie Antoinette has been sold at auction for nearly $5 million. On Wednesday, Nov.