The Imperial State Crown and the Black Prince's Ruby: The stone that is really a spinel and worn by Queen Elizabeth | August birthstone - 9Honey
The Imperial State Crown and the Black Prince's Ruby: The stone that is really a spinel and worn by Queen Elizabeth | August birthstone - 9Honey
The Black Prince's Ruby is the largest uncut spinel in the world and it sits at the front of the UK's Imperial Crown | Anita Durairaj | NewsBreak Original
![Story of a crown: sapphire, pearls, ruby and diamond all tell a tale | Queen Elizabeth II | The Guardian Story of a crown: sapphire, pearls, ruby and diamond all tell a tale | Queen Elizabeth II | The Guardian](https://i.guim.co.uk/img/media/78feaaf34fcd6dc7e40c3893aa706d1f901e5a67/0_112_3372_2023/master/3372.jpg?width=700&quality=85&auto=format&fit=max&s=7e4ff328f8093cd968858d8142623bdb)