Code point
U+26CB
Glyph appearance depends on your fonts.
U+26CB
SoU+26CB WHITE DIAMOND IN SQUARE is a Unicode 16.0.0 character in the Other Symbol category. It belongs to the Miscellaneous Symbols block.
Choose the representation you need, then copy its value.
U+26CB
9931
⛋
⛋
E2 9B 8B
26CB
000026CB
%E2%9B%8B
\u26CB
\u26CB
\u26CB
\26CB