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| Carat weight |
| Size Range 0.30 To 10 carats |
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| Clarity |
| Purity |
Description |
| FL |
Flawless |
| IS |
Inernally Flawless |
| VVS-1 |
Very Very Slightly Included-1 |
| VVS-2 |
Very Very Slightly Included-2 |
| VS-1+ |
Slightly Better than VS-1 |
| VS-1 |
Very Slightly Included-1 |
| VS-2+ |
Slightly Better than VS-2 |
| VS-2 |
Very Slightly Included-2 |
| SI-1+ |
Slightly Better than SI-1 |
| SI-1 |
Slightly Included-1 |
| SI-1- |
Slightly lower than SI-1 |
| SI-2+ |
Slightly Better than SI-2 |
| SI-2 |
Slightly Included-2 |
| SI-2- |
Slightly lower than SI-2 |
| SI-3+ |
Slightly better than SI-3 |
| SI-3 |
Slightly Included-3 |
| SI-3- |
Slightly lower than SI-3 |
| I-1+ |
Slightly better than I-1 |
| I-1 |
Included -1 |
| I-1- |
Slightly lower than I-1 |
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| Color |
| SGS Color Grades |
Parameters |
| D+, D,& D- |
Colorless |
| E+, E & E- |
|
| F+, F & F- |
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| G+, G & G- |
Near Colorless |
| H+, H & H- |
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| I+, I & I- |
|
| J+, J & J- |
|
| K+, K & K- |
Faint |
| L+, L & L- |
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| M+, M & M- |
|
| N to R |
Very Light |
| S to Z |
Light |
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| |
| Color |
| SGS Cut Grades |
Description |
| EX |
Excellent Cut |
| VG |
Very Good Cut |
| G |
Good Cut |
| F |
Fair Cut |
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| Polish |
| SGS Polish Grades |
Description |
| EX |
Excellent Polish |
| VG |
Very Good Polish |
| G |
Good Polish |
| F |
Fair Polish |
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|
|
| Symmetry |
| SGS Symmetry Grades |
Description |
| EX |
Excellent Symmetry |
| VG |
Very Good Symmetry |
| G |
Good Symmetry |
| F |
Fair Symmetry |
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|
|
| Hearts & Arrows |
| SGS H&A Grades |
Description |
| EX |
Excellent H&A (100%) |
| VG |
Very Good H&A (80%) |
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|
|
| Fluorescence |
| SGS Fluorescence Grades |
Description |
| N |
None Fluorescence |
| FNT |
Faint Fluorescence |
| MED |
Medium Fluorescence |
| STG |
Strong Fluorescence |
| VSG |
Very Strong Fluorescence |
|
|
|
| Luster |
| SGS Luster Grades |
Description |
| EX |
Excellent Luster |
| VG |
Very Good Luster |
| G |
Good Luster |
| F |
Fair Luster |
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| |
| Black Inclusion (Natts) |
| SGS Black Inclusion |
Description |
| N |
None |
| B_PP |
Pin Point Black Inclusion |
| B-1 |
Minor Black Inclusion |
| B-2 |
Medium Black Inclusion |
| We specify two part of black inclusion |
| (i) Table black inclusion |
| (ii) Side black inclusion |
|
|
|
|
| Other Inclusion |
| SGS Other Inclusion |
Description |
| N |
None |
| PP-1 |
Pin Point Minor Inclusion |
| PP-2 |
Pin Point Medium Inclusion |
| CLR-1 |
Crystal Minor Inclusion |
| CLR-2 |
Crystal Medium Inclusion |
| SPR-1 |
Spreaded Minor Inclusion |
| SPR-2 |
Spreaded Medium Inclusion |
| SPR-3 |
Spreaded Heavy Inclusion |
| FR-1 |
Feather Minor Inclusion |
| FR-2 |
Feather Medium Inclusion |
| FR-3 |
Feather Heavy Inclusion |
| CLD-1 |
Cloud Minor Inclusion |
| CLD-2 |
Cloud Medium Inclusion |
| CLD-3 |
Cloud Heavy Inclusion |
| We specify two part of other inclusion |
| (i) Table other inclusion |
| (ii) Side other inclusion |
|
|
|
| Open Inclusion |
| SGS Open Inclusion |
Description |
| N |
None |
| HL |
Hair Line Open Inclusion |
| SM |
Small Open Inclusion |
| MD |
Medium Open Inclusion |
| HV |
Heavy Open Inclusion |
| We specify two part of open inclusion |
| (i) Table open inclusion |
| (ii) Side open inclusion |
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| |
| Carat weight |
| SGS Extra Facet Grade |
Description |
| N |
None |
| P_SM |
Pavilion Small |
| P_MD |
Pavilion Medium |
| P_MJ |
Pavilion Major |
| P_HV |
Pavilion Heavy |
| C_SM |
Crown Small |
| C_MD |
Crown Medium |
| T_SM |
Table Small |
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Diamond Buying Guide