Guide to Diamond Clarity

Guide to Diamond Clarity

A diamond’s clarity, one of diamonds 4Cs, is affected by any external and internal characteristics created by nature when the diamond was formed or as a result of the cutting process.

Characteristics such as internal spots or lines are called inclusions. Although these marks make each stone unique, the fewer the inclusions, the more valuable the stone. Inclusions can sometimes interfere with the passage of light through the stone, diminishing the sparkle and value of the diamond.

According to the quality analysis system of the Gemological Institute of America (GIA), clarity is graded on a scale ranging from Flawless (Fl) to Imperfect (I). Only a tiny percentage of diamonds ever achieve a grade of Flawless.

diamond-4Cs-clarity

A Note on Diamond Clarity

It is important to remember that clarity is a range. Think of a clarity grade as your age. If you’re 34 years old, your 34th birthday may have been yesterday, or your 35th birthday may be next month. But when someone asks your age, you simply tell them you’re 34. It works the same way with clarity grading.

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