Listing of the External Defects in Clarity Grades in
Accordance with IDC Rules
| LISTING OF THE EXTERNAL DEFECTS
IN CLARITY GRADES |
GRADING |
|
|
| External defects caused by cutting and damage |
Naturals and additional facets |
Clarity grade Loupe clean
|
Clarity grade VVS and lower |
| 1 Not discernible or discernible only
with great difficulty with a 10 x loupe |
1. Small and positioned on the pavilion |
1. No mention |
1. No influence |
| 2. Not too difficult to discern with the 10 x loupe |
2. Not discernible through the crown |
2. REMARKS: "Minor external defects"
|
2.21. VVS becomes VS 22. VS remains VS
|
| 3. Easily discernible with a 10 x loupe |
3. Discernible through the crown |
3 REMARKS "External defects present"
|
3. The clarity grade cannot be greater
than VS1) |
| 4. Very easily2) discernible with a 10 x
loupe |
4. Clearly discernible through the crown |
4. REMARKS Examples: "Natural underneath
the girdle", "Damaged culet". or other remarks. |
4. The clarity grade
cannot be greater than VS1) |
1) Only VS or SI can be considered as clarity grades VVS can become
VS or also SI, and VS becomes SI). Due to the progressively Increasing
field widths of the clarity grades, a pique grade is not attained
through external features.
2) This definition can be supplemented as follows: ... and in addition
unusually large or unusually numerous.