Code point
U+2BC1
Glyph appearance depends on your fonts.
U+2BC1
SoU+2BC1 BLACK DIAMOND CENTRED is a Unicode 16.0.0 character in the Other Symbol category. It belongs to the Miscellaneous Symbols and Arrows block.
Choose the representation you need, then copy its value.
U+2BC1
11201
⯁
⯁
E2 AF 81
2BC1
00002BC1
%E2%AF%81
\u2BC1
\u2BC1
\u2BC1
\2BC1