Code point
U+1D437
Glyph appearance depends on your fonts.
U+1D437
Lu<font> 0044U+1D437 MATHEMATICAL ITALIC CAPITAL D is a Unicode 16.0.0 character in the Uppercase Letter category. It belongs to the Mathematical Alphanumeric Symbols block.
Choose the representation you need, then copy its value.
U+1D437
119863
𝐷
𝐷
F0 9D 90 B7
D835 DC37
0001D437
%F0%9D%90%B7
\U0001D437
\u{1D437}
\uD835\uDC37
\1D437