I would say you have a very pretty pullet there!This is my 14-ish week old blue Isbar. I was originally thinking pullet, then Cockerel but now I'm thinking pullet again. I'd appreciate any feedback from some more knowledgeable Isbar keepers!
Here is my original post with more pictures
https://www.backyardchickens.com/t/925890/isbar-pullet#post_14153211
And pictures taken today. Very sweet bird!