Red diamonds
Red is the rarest diamond colour of all, and scientists are still not sure what causes it.
- In nature
- The rarest diamond colour of all.
- Famous stone
- The Moussaieff Red, 5.11 ct, found in Brazil in 1990.
- In RXXO
- 1 in 50 diamonds
Red in RXXO
64diamonds like this in RXXO right now
Questions
What makes a diamond red?
Red is the rarest diamond colour of all, and scientists are still not sure what causes it.
How rare are red diamonds in RXXO?
About 1 in 50. Purple is the rarest colour in RXXO, colourless the most common.
RXXO numbers are the odds every mint draws from. Updated 8 October 2026.