A diamond’s clarity is determined under 10 power magnification by a trained eye, taking into account the number, size, type, and location of the inclusions. The fewer inclusions in a diamond, the more valuable it is. The GIA Clarity scale includes 11 grades, ranging from flawless to included. View our Virtual Clarity Grading tool to familiarize yourself with GIA grading standards or download our Clarity Grading Guide.