A Borg diamond is a Borg ship which has four special weapons, such as overriding an enemy ship or destroying enemy ships. It is shaped like a diamond, and a ship of this nature is used by the Borg Queen. (ST video games: Armada, Armada II) Among other starship classes of the Borg fleet, the Borg diamond went through three different versions in the 22nd, 23rd and 24th century respectively. (ST video game: Legacy) It was also known as a Borg octahedron. (ST video game: Star Trek Online)