A blue diamond is a diamond whose color is blue.

Blue diamond may also refer to:

Locations

• Blue Diamond (building) a skyscraper in Miami, United States
• Blue Diamond, Kentucky, an unincorporated community in the United States
• Blue Diamond, Nevada, a census-designated place in Clark County, Nevada, United States
• Blue Diamond (Iceland), a tourist route in Iceland

Music

• "Blue Diamond", the original title of Big Blue Diamonds, a song recorded by Gene Summers
• The Blue Diamonds, a Dutch 1960s rock and roll duo
• "Blue Diamonds", a song from Rusted Root's 2002 album Welcome to My Party
• "Blue Diamonds", a song from The Long Winters' 2003 album When I Pretend to Fall

Organizations

• Blue Diamond Growers, a California-based agricultural cooperative and marketing organization that specializes in almonds
• Blue Diamond Truck Company, a joint venture between Ford Motor Company Navistar International
• Blue Diamond, a bus company in West Midlands
• The Blue Diamond Society, an LGBT rights organisation in Nepal
• Blue Diamonds (aerobatic team), aerobatic display team of the Philippine Air Force
• "Blue Diamonds", No. 92 Squadron RAF aerobatic display team

Other

• A viagra tablet
• Blue Diamond (comics), a 1940s superhero from Timely Comics, a forerunner of Marvel Comics
• Blue diamond impatiens, a flowering plant of the family Balsaminaceae
• The Blue Diamond Affair, a series of events triggered by the 1989 theft of gems belonging to the Saudi royal family
• Nickname of the United States Navy Strike Fighter Squadron 146
• Blue Diamond, a character on the Cartoon Network show Steven Universe