To dream that something is shaped like a diamond can have meanings associated with diamonds (the gem). This suggests permanence, resiliency, and beauty. It also represents spiritual advancement and profound personal transformation, of which, once you complete, you will never be able to return to your former self or your former way of being/living. Dreaming of something that is diamond shape can also represent chance or luck – as in playing cards. Further, it can represent childhood and your ability to get back to the basics.