In this post is the Diamond chart pattern illustrated; the pattern consists of a diamond as the image illustrates and is divided into a bottom and a top chart pattern.
The diamond pattern could give the traders a hint in which direction the price is moving in as it seems like there is a pattern in which direction a breakout moves in after a diamond price movement; just remember that it is the most likely direction it is not sure the price moves in this direction.
Diamond Bottom and Top Chart Pattern
I was on YouTube and found a fellow explaining the diamond pattern; he also gives some percents of how likely the breakout patterns are.