In this episode of History Gems, Dr Nicola Tallis is joined by leading military historian and author Dr Michael Jones to explore the story of the Black Prince and his famous ruby. But was it really a ruby!? Listen to find out.

Nicola and Michael also delve into the history of the ruby, including what happened to it during World War Two.

For images of the Black Prince’s ruby, follow the podcast at @historygemspod on Twitter and Instagram.