Diamond Clarity Grades: How to Read a GIA Diamond Certificate Diamond clarity is the measure of a diamond's flaws, technically called inclusions. Every diamond has some inclusions, even a diamond with a Flawless clarity grade -- but the inclusions in a flawless diamond are so small that they are undetectable at 10-power magnification by a trained diamond grader. All diamonds will have inclusions at higher magnifications, because you want a diamond created by nature rather than in a lab. Complete explanations and drawings of GIA clarity grades Charts that compare all the major clarity grading systems   We Make It Easy: Prices for stones of the various clarity grades are too difficult to explain here. If you want to learn how to calculate a price for any diamond you want, please see my easy, fast, step-by-step Diamond Pricing Tutorial page. Back to: How to Read a Certificate