Idea of Pineapple Icon
It's a logo of a pineapple. At the is the rounded and pointy leaves of the pineapple that are layered multiple times. The pineapple itself has a repetitive pattern of diamond shapes.
This page shows the different variations of the Pineapple from an Icons8 icon pack. Feel free to resize and recolor the icon, and then download the icon in PNG format for free.