Diamonds are a difficult item to buy in the best of circumstances. For most shoppers it’s one of the most expensive purchases of their lives and it’s aggravatingly necessary to rely on the advice of salespeople who may not have your best interest at heart when they tell you that something is a fabulous deal. The Internet merchants come with their own risks of providing a credit card, waiting for delivery and the ever present possibility that you will need to make a return and collect a refund. Here are some tips on buying diamonds safely, both online and on the street.