AGS Laboratories is committed to educating the industry and the consumer on its diamond cut grade research and our diamond grading reports. In this section of our website you can view videos and presentations created to keep you up to date on what is going on in our diamond lab. This includes information on our diamond cut grade research for the Round Brilliant, Princess Cut, Emerald Cut, and newly released Oval cut shapes. Learn what factors make the difference between an Ideal Cut diamond and an Excellent Cut. You can even get a behind the scenes look at what goes on inside our diamond grading lab. To view a video or presentation simply click on title left links.