Black diamonds
Black diamonds are packed with tiny inclusions, such as graphite, which make them opaque.
- In nature
- Opaque, unlike any other colour.
- Famous stone
- The Black Falcon, 612 ct, the largest cut diamond ever recorded.
- In RXXO
- 1 in 17 diamonds
Black in RXXO
202diamonds like this in RXXO right now
Questions
What makes a diamond black?
Black diamonds are packed with tiny inclusions, such as graphite, which make them opaque.
How rare are black diamonds in RXXO?
About 1 in 17. Purple is the rarest colour in RXXO, colourless the most common.
RXXO numbers are the odds every mint draws from. Updated 8 October 2026.