Code point
U+29F0
Glyph appearance depends on your fonts.
U+29F0
SmU+29F0 ERROR-BARRED WHITE DIAMOND is a Unicode 16.0.0 character in the Math Symbol category. It belongs to the Miscellaneous Mathematical Symbols-B block.
Choose the representation you need, then copy its value.
U+29F0
10736
⧰
⧰
E2 A7 B0
29F0
000029F0
%E2%A7%B0
\u29F0
\u29F0
\u29F0
\29F0