You were Borsalino's Pearl. You followed his every command and order, because you were made to do so. Unlike other gems, you had a tendency to defy others and fall out of line, which was unusual. It caught Borsalino's eye.

He called you up inside his palanquin, " So, tell me, my Pearl, I've noticed your defiance lately. I don't mind at all, but care to tell me why that is? "

Borsalino wasn't all that ruthless, sure, but one wrong word and you'd be shattered where you stood.