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How to detect inclusions, spots and flaws Diamond Grading Laboratories uses a microscope to measure the importance of the spots in microns. The following clarity grades are called Loupe Clean, Cleanish and Piqué, determined by the size, position, brightness and quantity of internal and external inclusions / flaws / spots on scale
Jan Huts, Senior Diamantaire - CEO Tel: +32 479 28 12 13 E-mail
Antwerp World Diamond Center, Diamond Exchange Diamantkring
Hoveniersstraat 2, BE-2018 Antwerp / Belgium / Europe
Diamond Clarity Actual Grading Chart - Purity, Inclusions on Scale
Evaluate classification of different clarity by images: LC / IF - VVS1 - VVS2 - VS1 - VS2 - SI1 - SI2 - SI3 - I1 / P1 - I2 / P2 - I3 / P3
When do Clarity affect the value of diamonds by inclusions, flaws, spots - evaluate and compare prices - Notice: Cut is most important!
Let us help you: Send an Email or call us Tel: + 32 479 28 12 13
This page was last updated: October 17, 2009
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LC / IF
VVS1
VVS2
VS1
LC / IF - a diamond is called Loupe Clean and Internally Flawless when no internal and external spots / flaws are found by an experienced grader with a loupe magnifying x 10 Loupe Clean.
VVS1 - Diamond with Very Very Small inclusions / spots 1st degree. Extremely difficult to detect even by experienced grader with a loupe magnifying x 10 Loupe Clean.
VVS2 - Diamond with Very Very Small inclusions and spots of 2nd degree. Extremely difficult to detect even by experienced grader with a loupe magnifying x 10 Loupe Clean.
VS1 - Diamond with Very Small inclusions / flaws / spots 1st degree. Difficult to detect even by experienced grader with a loupe magnifying x 10 Loupe Clean.
VS2 - Diamond with Very Small inclusions / flaws / spots 2nd degree. Difficult to detect even by experienced grader with a loupe magnifying x 10 Loupe Clean.
SI1 - Diamond with Small Inclusions / flaws / spots 1st degree. Eye Clean.
Detectable with a loupe magnifying x 10
Detectable with a loupe magnifying x 10 Sometimes Eye Clean
- Small spots / flaws Detectable by naked eye. Also named Pique 1
Also named Pique 2
I3 / P3 - Diamond with Inclusions / flaws 3rd degree. Obvious inclusions, / spots easily visible by naked eye affecting transparency and brightness. Also named Pique 3
Strong Fluorescence can affect the transparency and / or turn into yellowish or milky bluish. Read more about Fluorescence
Conclusions:
Most inclusions / flaws or spots cannot be seen without magnification. They do not affect the diamond brilliance. It is only from category I 2 / I3 that imperfections affect the brilliance and the clarity. Than they affect the beauty of the diamond.
Best Buy: choose first of all the Ideal cut, Triple Excellent, Hearts & Arrows That gives the brilliance to your diamond. Second: choose a better color. Third: Replace the top clarity by a lower clarity and switch for the same price by a better color!
for LC / IF - VVS1 - VVS2 - VS1 - VS2 - SI1 - SI2 - SI3 - I1 / P1 - I2 / P2 - I3 / P3 clarity
on Next page
VS2
SI1
SI2/SI3
I1 / P1
I2 / P2
I3 / P3
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Diamond clarity grading chart
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