Diamond Chart Pattern in Classic Technical Analysis is associated with Trend Reversal. However, in Elliot Wave it may act as a Trend Continuation pattern. In this case the pattern mostly occurs in wave B. Since this is a very powerful pattern which occurs rarely, should not be missed as gives a very fast move.
The pattern occurred in Adani Enterprises Hourly chart and the targets were achieved in a flash.
Sometimes, it is better to keep all patterns handy.