The American Gem Society Standards combine traditional methods with advanced technology and cutting-edge computer analysis. The complementary approaches are used to assess the diamond’s light performance, proportion factors, and finish. The AGS Diamond Cut Grade reflects the total impact of all three of these quality components on the diamond’s beauty and value. The cumulative total of these factors is represented with a simple 0 to 10 scale with 0 as the highest cut grade and 10 as the lowest. This comprehensive grading system is exclusive to AGS members and the prestigious AGS Laboratory in Las Vegas, Nevada.