U+27E1 "⟡" White Concave-Sided Diamond Unicode Character
Unicode Version 17.0
⟡
U+27E1 "⟡" White Concave-Sided Diamond is a geometric symbol that depicts a diamond shape with its four sides curving inward to form concave edges, creating a distinctive star-like or four-pointed knot appearance. It belongs to the Miscellaneous Mathematical Symbols-A block and is typically used in mathematical notation, cartography, or decorative contexts to represent specific relationships, boundaries, or abstract concepts where a unique diamond shape is required. Its visual contrast with the standard filled or convex diamond makes it useful for encoding distinct visual elements in technical documents, diagrams, or digital text where precise symbolic meaning must be conveyed.
General Properties
| Code Point | U+27E1 |
| Version Added | 3.2 |
| Name | White Concave-Sided Diamond |
| Block | Miscellaneous Mathematical Symbols-A |
| General Category | Math Symbol |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Other Neutral |
Encodings
| HTML Decimal Encoding | ⟡ |
| HTML Hex Encoding | ⟡ |
| UTF-8 Encoding | 0xE2 0x9F 0xA1 |
| UTF-16 Encoding | 0x27E1 |
| UTF-32 Encoding | 0x000027E1 |
| C/C++/Java Escape | \u27e1 |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| NFKC Quick Check | Yes |
| NFKD Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Alphabetic |
| Script | Common |
| Script Extensions | Common |
| Indic Syllabic Category | Other |
| Pattern Syntax | Yes |
| Math | Yes |
| Vertical Orientation | Rotated |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Other |
| Sentence Break | Other |