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Adamco Trading Company

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General Interest


Diamands charts









Flawless and Internally Flawless
Flawless: No inclusions or blemishes of any sort under 10X magnification. Internally Flawless: No inclusions, but some minor blemishes.



1 - 2

Very Very Slightly included
Contains minute inclusions that are very difficult to see under 10X magnification, even for an experienced grader.


VS1 - VS2

3 - 4

Very Slightly included
Contains minute inclusions when observed with effort under 10X magnification. An excellent value as there is no noticeable difference to the unaided eye from VVS.


SI1 - SI2

5 - 6

Slightly Included
Contains inclusions noticeable under 10x magnification. An SI1 should not have any eye visible inclusions, but SI2 may, depending on the size and location of the flaws.


I1 - I2 - I3

7 - 8 - 9

Contains inclusions that are obvious under 10X magnification and possibly to the unaided eye.


Diamond Size: