I was speaking with a singer the other day about whether or not a certain aria that involved props should be completely pantomimed as though the props were being used.
This is an interesting question, and I have seen it done, both successfully and unsuccessfully.
What I think it comes down to is: Are you comfortable doing the aria this way? If you are not, it will transmit, and the very least, distract the person hearing you from focusing on your various strengths.
Whenever you have a question about whether a physical approach you are trying to an aria works, have a trusted coach, teacher, or colleague watch you, and/or video yourself. The feedback you get will help you decide how to proceed.
Again, your best chance of success is always tied to your confidence in what you are doing - vocally and physically.