Push gift ideas?

Kristin β€’ πŸ‘¦πŸΌ9/14/17 πŸ‘ΌπŸ»2/16/19 πŸŒˆπŸ‘¦πŸ»2/19/20 Due 8/28/25

What are you ladies thinking for a push gift? I thought about maybe getting an opal (October birthstone) band to add to my wedding set but idk yet. What are some ideas y'all have?