If Something Was On Final Sale N' It Broke Without It Being My Fault Kan iStill Exchange It?

iBought A Peircing From G-Stage N' iPut It On N' An Hour Later iLift Up My Shirt To Check On It N' Somehow The Dangling Part Broke Off. iTold My Mom N' She Said If It Broke By Itself Then iKan Still Exchange Even If It Was Final Sale But iDunno. Kan It?