| Name | BLACK DIAMOND SUIT |
| Unicode Version | 1.1 |
| Block（ブロック） | Miscellaneous Symbols（その他の記号） |
| Plane（面） | Basic Multilingual Plane（基本多言語面） |
| Script | |
| Category | |
| Bidirectional Class | |
| Combining Class | |
| Character is Mirrored | |
| HTML Entity | ♦ ♦ |
| UTF-8 Encoding | ♦ e299a6 |
| UTF-16 Encoding | ♦ 2666 |
| UTF-32 Encoding | ♦ 00002666 |