Obviously, there are some pieces of jewelry that it's hard to pick up second-hand, like engagement rings and I'm-so-sorry-I-cheated-on-you-with-a-Denny's-waitress bracelets. If you've ever had the displeasure of walking into a pawnshop, you know that other people's heartache and grave financial errors can be your gain. It's strange to give out tips for saving money on utterly meaningless baubles, but if you're going to invest your cash in shiny rocks that serve no purpose, you might as well get those shiny rocks a little cheaper.