mkdocs-material/material/.icons/fontawesome/solid/diamond.svg

<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><!--! Font Awesome Free 6.1.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2022 Fonticons, Inc.--><path d="M500.3 227.7c15.6 15.6 15.6 41 0 56.6l-216 216c-15.6 15.6-41 15.6-56.6 0l-215.98-216c-15.625-15.6-15.625-41 0-56.6L227.7 11.72c15.6-15.625 41-15.625 56.6 0l216 215.98z"/></svg>