16 and you want to give her a ring? You're sure she likes jewelry, right? I know in America girls who aren't into jewelry may find a ring to be a big turn off.

I'd recommend getting something that's related to her interests:

- A keychain with something she's interested in (favorite city, or animal, or something)

- Simple flowers

- Something homemade

I don't know, you know her much better than we do. What's the budget? And why did you chose to buy her a ring anyway?