How it returns light
Cut
The proportions and polish that decide the sparkle.
How white it looks
Colour
D is colourless; each letter after is a shade warmer.
What is inside
Clarity
From flawless to small marks you need a loupe to see.
Clarity
The clarity scale
What each grade means, as shown on the report.
| Grade | Meaning | Seen with the eye |
|---|---|---|
| FL and IF | Flawless or internally flawless | No |
| VVS1 and VVS2 | Very very slight marks | No |
| VS1 and VS2 | Very slight marks | No |
| SI1 | Slight marks | Rarely |
| SI2 | Slight marks | Sometimes |
Colour
The colour scale
Seen face up, most people cannot tell neighbouring grades apart.
- DColourless
- FColourless
- HNear colourless
- JNear colourless, faintly warm
- KFaint colour
Metals
Gold karats and platinum
Every piece is stamped inside with its metal.
| Metal | Gold content | Stamp |
|---|---|---|
| 24 karat gold | 24 parts in 24 | Too soft for diamonds |
| 18 karat gold | 18 parts in 24 (75%) | 750 |
| 14 karat gold | 14 parts in 24 (58.5%) | 585 |
| Platinum | 950 parts in 1000 | PT950 |
Questions
Who grades your diamonds?
Independent laboratories. We show you the report at every viewing.
Do you treat diamonds?
Any treatment would be stated. Our natural fancy yellow is untreated, as its report says.