We all generally buy gold jewellery at some point of time in our lives. But most of the times we focus on the design and looks of it rather than looking at the most important aspect that is purity of gold used to make that jewellery. We often take the words of the jewellers. But do you know that majority of the jewellery we buy is not certified for purity. Here are the four signs that you need to look at before buying the gold jewellery to ensure that it is of desired purity.