Which one goes first?

Anna • married to the most wonderful husband in the world, a mom to my rainbow baby boy grason j.Green!!!!💙💙💙 20 years old

Can you ladies tell me which ring goes first?

My husband and i were trying to decide which one goes first and we both say the one on the bottom goes first but i saw a commercial and they put the one i have on 2nd is the engagement ring!!