Code point
U+2B16
Glyph appearance depends on your fonts.
U+2B16
SoU+2B16 DIAMOND WITH LEFT HALF BLACK 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+2B16
11030
⬖
⬖
E2 AC 96
2B16
00002B16
%E2%AC%96
\u2B16
\u2B16
\u2B16
\2B16