How can i remove a stain from my sweater?

i accidentally got nail polish on my sweater. i tried to clean it with nail polish remover, leaving it in water, putting it in the laundry, nothing helped. can I go to the dry cleaners to remove it? please no trolls this is a very expensive sweater and was a gift. please help :( best answer gets 10 pts
Update: This happened 2 weeks ago and i cried so much because this is the only sweater i own :(
3 answers 3