| Diamond Colour Grading | CIBJO Colour | GIA Colour |
|---|---|---|
| COLOURLESS | EXCEPTIONAL WHITE+ | D |
| EXCEPTIONAL WHITE | E | |
| RARE WHITE+ | F | |
| NEAR COLOURLESS | RARE WEITE | G |
| WHITE | H | |
| SLIGHTLY TINTED WHITE | I | |
| J | ||
| FAINT YELLOW | TINTED WHITE | K |
| L | ||
| TINTED COLOUR | M | |
| N-Z | ||
| Z+ | ||
| FANCY DIAMONDS |
Carol Clarke.GIA GG
| Diamond Clarity Grading | |
| FI | Flawless |
| IF | Internally flawless |
| VVS 1- VVS 2 | Very,Very slightly included |
| VS 1- VS 2 | Very slightly included |
| SI 1- SI 2 | Slightly included |
| I 1, I 2 , I 3 or P1,P2,P3 | Imperfect |
