rough diamond
diamond rock which has not been cut or processed
Alexander Pushkin
The 2nd largest diamond ever found in Russia or the territory of the former USSR, as of 2016
Ursa Major
unique Russian diamond
Valentina Tereshkova
unique Russian diamond
Cullinan Diamond
non-carbonado and gem-quality diamond
Maria
unique Russian diamond
The Creator
298.48 carat colored raw diamond; 3rd largest diamond ever found in Russia as of 2016