There is a huge amount of fake designer jewellery out there. Most of it is made in china and some is so close to the original items that only highly qualified jewellery experts can tell the genuine article....
You want to buy a designer label or popular brand name product on ebay and the price is really good or it appears to be a bargain or too good to be true - you could end up getting more than you bargained...
I have been shopping and selling Chanel accessories for a while. I got most Chanel stuff from Europe. I have seen so many fake Chanel bags on ebay sold for good prices on ebay... it's unfair for buyers to pay...