Human: Is there a way to tell the difference between a fake and real diamond? Assistant: 
Yes, there are several ways to tell if a diamond is real or not. One of the most common methods is using a gemological lab to analyze it for impurities, inclusions, and other characteristics that can help determine its authenticity. Additionally, you can use an experienced jeweler's eye to evaluate the quality and clarity of the diamond, as well as inspecting its cut and carat weight.