Well, consider this! The culprit might not have been aiming specifically for the gem. Like Tarrlok said earlier... if you bonk somebody on the head really hard, they're, uh.

They're not gonna get up after that, generally speaking.

... And, well... I didn't really wanna go here? But where else would you hit somebody with a blunt force weapon for a sure kill? You could just mangle the person and not kill them.

[ ... such important input ]