What is the Koh-i-noor, the gemstone once worn by Indian and Persian royalty?

Koh-i-Noor diamond,186 carats,re-cut oval stellar brilliant,108.93 carats,part of the British Crown Jewels

Koh-i-Noor - World History Encyclopedia

The Koh-i-Noor Diamond: A Gemstone Shrouded In History, Power, And Controversy - Blue Earth Gems

Koh-i-noor, Diamond, Controversy, & Facts

Koh-i-noor diamond given to Britain, says Indian government, India

History of Kohinoor Diamond

What is the Koh-i-noor, the gemstone once worn by Indian and Persian royalty ?

The True Story of the Koh-i-Noor Diamond—and Why the British Won't Give It Back, History

Britain, India and the Koh-i-Noor diamond – don't expect the jewel to be prised out of the crown

Pakistan lawyer files for return of Koh-i-Noor diamond - BBC News

The Koh-i-Noor and Cullinan diamonds: Crown jewels have fraught history - The Washington Post