Colourless diamonds
A colourless diamond is almost pure carbon, the classic white diamond. Its exact shade is graded on the D to Z scale.
- In nature
- The classic white diamond, graded D to Z.
- Famous stone
- Cullinan I, 530 ct, the largest colourless cut diamond.
- In RXXO
- 1 in 5 diamonds
Colourless in RXXO
539diamonds like this in RXXO right now
Questions
What makes a diamond colourless?
A colourless diamond is almost pure carbon, the classic white diamond. Its exact shade is graded on the D to Z scale.
How rare are colourless diamonds in RXXO?
About 1 in 5. Purple is the rarest colour in RXXO, colourless the most common.
RXXO numbers are the odds every mint draws from. Updated 8 October 2026.