Journalist and writer Ed Caesar Photo: Supplied/Edcaesar.co.uk
Journalist Ed Caesar has been globe-trotting through Africa and Europe on the trail of the world's largest rough diamonds.
In doing so he visited the Botswana mine where three of the world's 10 biggest rough diamonds have been found in the space of just a few years, using some groundbreaking technology and mining techniques.
The Lesedi La Rona, a tennis ball-sized gem found in Botswana, had been estimated to sell for over $70 million. Photo: AFP
