Code point
U+1F537
Glyph appearance depends on your fonts.
U+1F537
SoU+1F537 LARGE BLUE DIAMOND is a Unicode 16.0.0 character in the Other Symbol category. It belongs to the Miscellaneous Symbols and Pictographs block.
Choose the representation you need, then copy its value.
U+1F537
128311
🔷
🔷
F0 9F 94 B7
D83D DD37
0001F537
%F0%9F%94%B7
\U0001F537
\u{1F537}
\uD83D\uDD37
\1F537