In basic shape, yeah, but I'm a former prop collector and as with anything in geekdom, there are folk who'll go crazy if you have depicted the wrong number of grips on a lightsaber. Here's a picture of Ben's and Luke's lightsabers:
Don't get me wrong, I'm not suggesting you re-do the piece or change the hilt. No one but very serious prop geeks are going to even notice. I just wanted to let you know so that if some more folks say something you'll be prepared. It's an awesome awesome piece and beautifully done.