Stories Lab-grown diamonds—made using DNA from the artist’s faeces—on show at Fondazione Prada in Venice Posted on April 19, 2024 by artNews Christoph Büchel’s exhibition is focused on debt and its consequences on society and individuals Spanish-Peruvian artist brings Old Masters to the New World at the Venice Biennale First his faeces, now his works, are turned into diamonds: Christoph Büchel’s show fills every corner of the Fondazione Prada in Venice