Catherine, the Greatest self-polished diamond of the Hermitage - Androsov, Sergej Olegovič 1948-; Efimov, Jurij Georgievič; Fedorov, Vjačeslav Anatolʹevič; Guseva, Natalʹja Jurʹevna ca. 20./21 Jh; Renne, Elizaveta Pavlovna (Hermitage Amsterdam, 2016)