A legendary jewel of the Hapsburg dynasty — not seen since 1919 and thought lost, stolen or recut — has actually been safe in ...

By turning diamond flaws into quantum sensors, scientists are uncovering new ways to measure reality with unprecedented precision.

Cristiano Ronaldo shared insight into how his and fiancée Georgina Rodríguez’s relationship grew stronger after losing their ...

A historic diamond has finally been located after disappearing during the aftermath of World War I in the early 1900s.

The legendary 137-carat yellow gem known as the Florentine Diamond, long believed lost after the collapse of the Austro-Hungarian Empire, has resurfaced. Now, three members of the former Habsburg ...

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The document is signed by Christoph Köchert, whose family long served as jewelers to the imperial court.

The discovery comes as the jewelry trade promotes off-color diamonds—like brown and champagne—as stylish, affordable ...