E colour diamonds
E is a colourless grade on the D to Z colour scale. Colourless. A trace so small only an expert with master stones can tell it from a D.
- Grade
- 2nd of 23, in the colourless group
- What you see
- The most chemically pure diamonds on the scale.
- In RXXO
- 1 in 300 diamonds
E in RXXO
7diamonds like this in RXXO right now
Questions
Is E a good colour for a diamond?
E is colourless: the most chemically pure diamonds on the scale.
How rare is E colour in RXXO?
About 1 in 300.
What is the difference between E and F colour?
One step on the D to Z scale: E has a touch less colour than F. Side by side, the difference is very hard to see without master stones.
RXXO numbers are the odds every mint draws from. Updated 8 October 2026.



