How Much Would It Cost To Get Sunglasses Fixed At A Chanel Botique?

Okay, I have some sunglasses I bought a few years ago from Chanel and one of the rhinestones in the lettering fell out, how much would it cost to get the rhinestones replaced it if I took it to a Chanel botique?|||U CAN GO TO THE PLACE U BOUGHT THEM FROM AND THEY SHOULD REPLACE THEM FOR U! FROM nORDSTROMS OR NIEMENS OR EVEN BLOOMINGDALES! IF THAT DOESNT WORK SELL THEM ON EBAY FOR A LITTLE LESS THAN U BOUGHT IT FOR AND GO BUY U A NEW PAIR! GOOD LUCK!|||good question, i have to get my pradas fixed... but do they fix them at the boutiques?