I'm longing for a pair of Chanel earrings or necklace. But since I don't have a Chanel store near by I dont know if I should buy them off eBay and risk getting fakes, or wait for my NYC in October to visit a Chanel store. Are the jewelry much cheaper on eBay otherwise? Are there a lot of fakes? Is it real as long it has a stamp, or could that easily be faked too? I'm not interested in the clip-on earings, they usually seem a bit too big for my liking. Thanks!