The Koh-i-Noor, or “Mountain of Light,” diamond, set in the Maltese Cross at the front of the crown made for Britain’s late Queen Mother Elizabeth, is seen on her coffin on April 5, 2002.

The $400 million Koh-i-Noor diamond is said to bring good luck to women who wear it — and has been the showpiece of every queen consort’s crown since 1849, until now, thanks to its dark history.

The Koh-i-Noor, or “Mountain of Light,” diamond, set in the Maltese Cross at the front of the crown made for Britain’s late Queen Mother Elizabeth, is seen on her coffin on April 5, 2002.

The diamond was given to Queen Victoria as a condition of the Treaty of Lahore, which ended the first Anglo-Sikh War in 1849, according to Historic Royal Palaces. More in World ...

Queen Camilla marked the Edinburgh garden party on July 1 by wearing Queen Mary's Diamond Thistle Brooch, a historic piece of ...

The Koh-i-Noor – one of the world’s most famous and controversial diamonds – will be part of a new exhibition at the Tower of London that recognizes it as “a symbol of conquest.” ...

Queen Camilla's £800,000 Diamond Diadem and where you've seen it before Queen Camilla wore a very special piece of royal jewellery for the second time at the State Opening of Parliament on her ...

However, those jewels too are considered problematic, as is the ivory sceptre Queen Camilla will be handed during the ceremony.. The blueish-white, heart-sized Cullinan diamond caused a worldwide ...

The Koh-i-Noor – one of the world’s most famous and controversial diamonds – will be part of a new exhibition at the Tower of London that recognizes it as “a symbol of conquest.” ...