Diamonds in Minecraft 1.21 generate below Y-level 16, with the highest concentration found around Y-level -59. However, the recommended best level to mine diamonds is Y-level -53 because it offers a good balance of diamond availability while minimizing the risk of encountering lava lakes, which are more common at Y-level -54 and below
. Summary:
- Diamonds generate anywhere below Y-level 16.
- Most diamonds are found between Y-levels -53 and -61.
- Y-level -53 is considered the safest and most efficient level to mine diamonds.
- Y-level -59 has the highest diamond spawn rate but comes with more lava hazards.
This applies to both Java and Bedrock editions of Minecraft
