It's HARD to predict adult weight/size! Chanel was predicted to be 2lbs full grown, THANK God...she grew more, she's now almost hitting 4,5 lbs
Some keep growing for a long period of time, others stop earlier.
I know, this isnt much help, but i say just be patient and see... i know of people that told me, you can judge adult size by the size of the paws, but i'm really not sure.
There will be more people on this board that can help you with more information
