Diamond prices are spiking and even De Beers can’t fill the gap

For most of the modern history of diamonds, this is the sort of situation where De Beers could have tapped its vast stockpiles or simply fired up latent mining capacity. Little more than 20 years ago, its safes in London held stocks of diamonds worth perhaps as much as $5 billion. Those days are now long gone. The company only carries working inventory stocks and its mines are running at full tilt. There is little chance of material increases in supply before 2024, when an expansion at its flagship South African mine will be completed. “It’s very difficult to see us bringing on any new production,” Chief Executive Officer Bruce Cleaver…