The logo symbolizing the Chaldea Security Organization in [[Fate/Grand Order]].

There are actually two distinct logos associated with the organization:

* A [b]C[/b] shape embellished with a laurel along the left curve (post #2962495)
* Two [[diamond (shape)|diamonds]] interlocked with each other vertically (post #4757212). This may also be seen as a diamond-shaped [b]G[/b] over another diamond meant to symbolize an [b]O[/b], for [b]Grand Order[/b] (post #5017643).