Diamondus is the first planet that you visit in Jazz Jackrabbit 1.
This planet is a grassland planet with a healthy atmosphere and lots of diamonds in the ground. Jazz fights against Turtle Goons and Bad Bees. The second Diamondus level in the original Jazz Jackrabbit contains a secret level where Jazz enters Birdland, as a bird.
Diamondus 1 and Diamondus 2 are also Jazz Jackrabbit 2 tilesets.
The planet Diamondus were located inside the galactic ring of the Andromeda Galaxy.