Diamond Clarity

In order to determine the clarity of a diamond, you'll need someone with a trained eye to view it under 10-power magnification. The majority of diamonds are born with miniscule "birthmarks" known as inclusions.
The smaller and fewer the inclusions, the more able light can pass through the diamond, contributing significantly to its rare beauty.
More than any other gemstone, diamonds are capable of producing the maximum amount of brilliance. Thus a diamond which is free of inclusions and surface blemishes is more rare and, by definition, more valuable.


A diamond's clarity can be affected by two types of flaws:
  • External flaws: these are any of the impurities that are on the surface of the diamond. External flaws are the result of wear and tear on the diamond or from damage caused during cutting.
  • Internal flaws: These are any of the many impurities that reside solely in the interior of the diamond. There are many kinds of internal flaws. A few important ones that you should familiarize yourself with are:
    • Black or dark spots: carbon or other dark spots.
      Clouds
      : Clouds, are microscopic inclusions that lower transparency.
      Fracture (feather) - the majority of imperfections in diamonds are the result of breakage in the diamond chemical structure.

Clarity grading:

The most common instrument used for Clarity Grading is the hand held loupe or microscope (based on 10-power magnification). This means, for all intents and purposes, any imperfection that cannot be detected with a x10 magnification does not “exist” while grading a diamond.


I.F Clarity 1 Internally flawless: Free From internal blemishes visible under 10x magnification (small external details tolerated).
V.V.S 1 Clarity 2 Very very slightly included: Inclusions and/or external blemishes very very difficult to locate under 10x magnification.
V.V.S 2 Clarity 3 Very very slightly included: Inclusions and/or external blemishes very difficult to locate under 10x magnification.
V.S 1 Clarity 4 Very Slightly included: Inclusions and external blemishes difficult to locate under 10x magnification.
V.S 2 Clarity 5 Very Slightly included: Inclusions and external blemishes rather difficult to locate under 10x magnification.
S.I 1 Clarity 1 Slightly included: Inclusions and external blemishes rather easy to locate under 10x magnification.
S.I 2 Clarity 6 Slightly included: Inclusions and external blemishes easy to locate under 10x magnification.
P.1 - 1.1 Clarity 7 Imperfect: Inclusions and external blemishes very easy to locate under 10x magnification.
P.2 - 1.2 Clarity 8 Imperfect: Inclusions and external blemishes easy to locate with naked eye.
P.3 - 1.3 Clarity 9 Imperfect: Heavy inclusions located with naked eye.
 
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