Diamond  Information Clarity

Clarity being one of the 4 c's plays an important factor in choosing a diamond. Diamonds are graded on a scale from FL (flawless) through to I3 (included to 3rd degree). There are many types of inclusions found in diamonds and all are given different names, feathers,clouds,pinpoints and so on.

Below is a table with the most prominent Diamond Clarity grading scales used today.

The Gemological Institute of America ,GIA

The American Gem Society ,AGS

The World Jewellery Confederation , CIBJO

             GIA             AGS         CIBJO

F

Flawless     

               0

Flawless

IF

Internally  Flawless

             
               1
IF 

VVS1

Very Very Slightly Included 1

VVS1 

VVS2

Very Very Slightly Included 2

               2 VVS2 
 

VS1

Very Slightly Included 1

               3 VS1 
 

VS2

Very Slightly Included 2

               4 VS2 
 

SI1

Slightly Included 1

               5 SI1 
 

SI2

Slightly Included 2

              6  SI2 

I1

Included 1 

            7-8

P1

Pique 1 

 

I2

Included 2 

             8-9

P2

Pique 2 

 

I3

Included 3 

             9-10

P3

Pique 3 

 

 

 

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