I think it's lovely! It would definitely be on my list of it had a little more history as a given name, and it's funny that it's connected to
Artemis, because the first thing I thought of when I saw your post was the name
Artemisia, or more specifically
Artemisia Gentileschi. Mirusia Louwerse jumped to mind, too.
I would be very, very happy to meet a little Amarisia.
Ottilie
http://www.behindthename.com/pnl/116467