World’s Largest D Coloured Polished Diamond

Nemesis International has unveiled a 313 carat diamond that has been certified as the largest D color polished diamond in history. The emerald shape, VVS 1 clarity diamond known as Constellation 1, is one of the eight stones that make up a collection manufactured from the 813 carat Constellation rough, which Nemesis bought in partnership with Swiss jeweler de Grisogono for US$63.1 million in 2016. At US$77613 per carat, the diamond still ranks as the most expensive rough diamond ever sold. Take a look.

Useful link:
https://www.nemesisinternational.com