From a Persian prince to the American “jeweler to the stars,” the world’s largest cut blue diamond has a lengthy history.

The Idol’s Eye, a precious 17th Century gemstone, became the center of a dispute between art collector Sheikh Hamad bin ...

The Emir owns The Katara, one of the world's most luxurious and expensive mega-yachts, priced at nearly $400 million.

A cousin of Qatar's ruler lost his fight at London's High Court on Thursday against another branch of the Gulf nation's royal ...

Al-Thani family also owns Qatar Amiri Airlines. Established in 1977, this airline was created exclusively for the royal ...

Thani, the Emir of Qatar, leads one of the wealthiest nations in the world, as Qatar has vast natural gas and oil reserves.

A member of Qatar’s ruling family has failed in his attempt to force a rival royal faction to sell him the world’s largest ...

The pale blue stone has passed through the hands of royals, art collectors, sultans and aristocracy – but who does it belong to now?

A report from Semafor late last week sent Papa Johns’ stock climbing on possible news of a takeover of the country’s ...

The dispute over the "Idol's Eye" diamond pitted art collector Sheikh Hamad bin Abdullah Al Thani, cousin of Qatar's ruler ...