Israel's diamond industry has a bloody history - The Jerusalem Post
What is the percentage of all mined diamonds that belong to DeBeers? Do they really control supply, or is this an urban legend? - Quora
The true cost of diamonds – Nightingale
De Beers's Diamond Dilemma David McAdams and Cate
De Beers to Close Another Diamond Mine
De Beers rough diamond sales up more than 50% compared to 2019
De Beers Diamonds & Engagement Rings: Are they expensive?
Strong Origins: Current Perspectives on the Diamond Industry
PDF) The origins of late nineteenth-century migrant diamond miners uncovered in a salvage excavation in Kimberley, South Africa
Diamonds in the Rough: Human Rights Abuses in the Marange Diamond Fields of Zimbabwe
François Delage, De Beers Diamond Jewellers CEO, on finding beauty where others don't, and why you should never buy a diamond with your ears