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diamond clarity grading villarreal

How Is Diamond Clarity Determined?

Why Diamond Clarity is Important.

What is “diamond clarity” mean as it relates to diamond? According to the Gemological Institute of America (G.I.A.), “Diamond Clarity Refers to the Absence of Inclusions and Blemishes.” Therefore, clarity is determined by a diamonds “inclusions” and “blemishes.”

Inclusions” are naturally occurring internal characteristics within the diamond crystal. “Blemishes” are external characteristics on the exterior of the diamond crystal. Consequently, clarity grading is determined by 3 basic criteria. The criteria are number, size and orientation of the inclusions.

  • NUMBERQuantity of inclusions.
  • SIZE- How big the inclusions are.
  • ORIENTATION- Location of the inclusions in or on the diamond.

A clarity grade is determined by the 3 criteria above. See the graphic for clarity grading characteristics.

Especially relevant, are the the 4C’s. The value of a diamond is based on the inclusions and blemishes. The fewer the inclusions, the higher the value. The more abundant the inclusions – the lower the value. Consequently, you get what you pay for. Click here to learn more about the 4C’s.

In conclusion, diamond clarity is important in determining the value of a diamond. 

I am always happy to answer your questions. Feel free to email at info@VillarrealJewelers.com or contact us for an appointment.

Joseph R. Villarreal, Graduate Gemologist (G.I.A.)

Villarreal Fine Jewelers – “Custom Diamond Engagement Ring Specialists” Austin, TX

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