Getting the best diamond for your money requires a bit of knowledge. Before purchasing diamonds it’s best to understand how jewelers appraise and price them. There are four main criteria established by the Gemological Institute of America (GIA) that help determine a diamond's quality and value. You have heard of the 4Cs' Cut, Color, Clarity and Carats. Jewelers use these ratings to determine a diamond's value. It is important for you to understand the 4Cs' to help you determine the true value... more info