Black Diamond Suit ♦ emoji code is 2666 in symbols category.
Emoji Meaning: Black Diamond Suit 
What does ♦ mean? Black diamond suit is the official unicode name to describe the meaning of this emoji. The Black diamond suit emoji is a special symbol that can be used on smartphones, tablets, and computers. Your device needs to support this particular emoji in order for you to be able to use it, otherwise the emoji may not appear.