@activelylearn/material-ui/packages/material-ui-icons/src/Check.js

Material-UI's workspace package

import React from 'react';
import createSvgIcon from './utils/createSvgIcon';

export default createSvgIcon(
  <g><path d="M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z" /></g>
, 'Check');