 Gemstones - Grading Scale |
| Scandinavia |
G.I.A |
A.G.S* |
Descriptions |
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| flawless |
fl |
0 |
No inclusions 10x loupe Clean
Gem Investment Grade |
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| internally flawless |
I.F. |
0+ |
No inclusions 10x loupe Clean
Gem Investment Grade |
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| VVSI 1 |
VVS 1 |
1 |
Very tiny inclusions, difficult to see with 10x loupe
Gem Investment Grade |
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| VVSI 2 |
VVS 2 |
2 |
Very tiny inclusions, difficult to see with 10x loupe
Gem Investment Grade |
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| VSI 1 |
VS 1 |
3 |
Very tiny inclusions, difficult to see with 10x loupe
Gem Investment Grade |
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| VSI 2 |
VS 2 |
4 |
Very tiny inclusions, difficult to see with 10x loupe
Gem Investment Grade |
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| SI 1 |
SI 1 |
5 |
Small inclusions easily seen with 10x loupe
Better Commercial Grade |
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| SI 2 |
SI 2 |
6 |
Small inclusions easily seen with 10x loupe
Better Commercial Grade |
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| Pique 1 |
I 1 |
7 |
Large, numerous inclusions visible to the naked eye
Usual Commercial Grade |
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| Pique 2 |
I 1 |
7 |
Large, numerous inclusions visible to the naked eye
Usual Commercial Grade |
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| Pique 3 |
I 1 |
8 |
Large, numerous inclusions visible to the naked eye
Lowest Jewelry Grade |
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| Pique 4 |
I 2 |
9 |
Large, numerous inclusions visible to the naked eye
Lowest Jewelry Grade |
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| Pique 5 |
I 3 |
10 |
Large, numerous inclusions visible to the naked eye
Lowest Jewelry Grade |
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| Reject |
Reject |
11 |
*American Gem Society |
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