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A diamond is a crystal made of carbon atoms formed under extreme heat and pressure. When the carbon is crystalizing, more often than not, impurities get trapped in the diamond. These impurities result in dark spots, feathering, and even cracks. The Clarity of a diamond or any other stone is a measure of the the quantity, size, and location of these imperfections.
Clarity Grading Scale
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IF Internally Flawless An expert can not find any internal imperfections under 10X magnification. Diamond may have external imperfections. |
VVS1 VVS2 Very, Very Slight Inclusion Extremely difficult for an expert to find any inclusions under 10X magnification. |
VS1 VS2 Very Slight Inclusion Difficult for an expert to find inclusions under 10X magnification. |
SI1 SI2 Slightly Imperfect Multiple inclusions are easy to find under 10X magnification. |
I1 First Imperfect Inclusions are visible without magnification. |
I2 Second Imperfect Inclusions are easily seen without magnification. |
I3 Third Imperfect Inclusions are very obvious. |
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