In Jain tradition, the 13th swapna of Trishala Mata is commonly understood as a heap of jewels / a mountain of gems.

Meaning in English: It symbolizes that the child to be born will be highly auspicious, virtuous, and full of spiritual brilliance. It also indicates great prosperity and divine qualities.

If you want, I can also give the full list of all 14 swapnas in English.