While it’s true that wild sableye start out with organic eyes that harden into a diamond form, they look nothing like that image. In fact, they’re barely noticeable, as they’re small and the same color as sableye’s skin. (I’ll spare you an image, unlike some people.)
I’m not entirely sure where Bill got that image, but I suspect he made it himself in lieu of doing something far more productive. Rest assured that he will be reprimanded for it. — LH
Reprimanded? Blazes, Lanette! What if Amanita is reading this? —Bill
You’re getting reprimanded for that too. —LH
The Pokédex According to Bill 