"‘We have to tell people that diamonds are valuable,’ he said. ‘We are trying to maintain the price, just as De Beers did, as all diamond producing countries do. But what we are doing is selling an illusion,’ meaning a product with no utility and a price that depends on the continued sense of scarcity where there is none."
— Aleksandr A. Malinin, an adviser to the president of Alrosa, the world’s largest diamond producer. (NYT)