Saatchi, who is married to the TV chef Nigella Lawson, has often been accused of buying many artists' work cheaply at the beginning of their careers, only to sell it on for a vastly superior price. But today he said: "I make a list of my favourite works by [an] artist and I will try to get those pieces. And if that means I pay 10 times the market price, I don't mind doing it."