Blue diamond (disambiguation)
- Big Blue Diamonds
- Blue Diamond (Iceland)
- Blue Diamond (album)
- Blue Diamond (building)
- Blue Diamond (bus company)
- Blue Diamond (character)
- Blue Diamond Affair
- Blue Diamond Growers
- Blue Diamond Society
- Blue Diamond Truck
- Blue Diamond, Kentucky
- Blue Diamond, Nevada
- Blue Diamonds (aerobatic team)
- Impatiens namchabarwensis
- No. 92 Squadron RAF
- Steven Universe
- The Blue Diamonds (duo)
- VFA-146
- Welcome to My Party (album)
- When I Pretend to Fall