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

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

This is Sheikh Tamim’s second visit to India, the first being in 2015. His trip comes at the invitation of Prime Minister ...

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

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 ...

This week, however, the tiny, pale blue stone made headlines around the world as the subject of a bitter court battle between two branches of Qatar's royal family. For a diamond found in 1600 and ...

A Qatari royal and a takeover pro have teamed up and are mulling a bid for the struggling $1.4 billion pizzeria.

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