High Priority Icon on Transparent Background
High Priority and other 84,100 icons from Icons8 icon pack follow the visual guidelines of the operating systems: Windows, iOS, Android KitKat, and Material. PNG format is free up to 100x100 px.
There is a single diamond shape, and in the center of the diamond shape is an exclamation mark. There's no other detail to the sign or any other marking on it, it seems like a warning sign of a sort.
Related to High Priority Icon
Related icons are the icons with matching tags, as well as all business icons. All icons are in the same flat style. You can either download free PNG icons or buy SVG vectors
Idea of High Priority Icon by Mark
We've received the idea on November 26, 2012 and created the icons on February 24, 2013
A set of icons for viewing a calendar/schedule, appointment reminders, recurring appointment icon, "show as" icon, categorize icon, along with priority icons (high, low and private). See this screenshot for concepts: 