Code point
U+25C8
Glyph appearance depends on your fonts.
U+25C8
SoU+25C8 WHITE DIAMOND CONTAINING BLACK SMALL DIAMOND is a Unicode 16.0.0 character in the Other Symbol category. It belongs to the Geometric Shapes block.
Choose the representation you need, then copy its value.
U+25C8
9672
◈
◈
E2 97 88
25C8
000025C8
%E2%97%88
\u25C8
\u25C8
\u25C8
\25C8