You could just render the premiere edit. If you render the premiere edit there will still be all the Color Correction. Then you could just add whatever you want in after effects.
The problem is that the video isnt completed yet. Im still waiting for another piece to put in once it's filmed. Also if i go back to premiere i'll have to redo all of my edits i've made on after effects.
When you get those pieces you could always cut the video where you want and put them in. I would wait and get all the pieces then add those in then render it and add all the After Effects edits after. What exactly are you adding in After Effects?
Are you still facing this problem? If not, let us know how you solved it. If so, please let us know so we can assist you further. Typically, I would grade in Premiere Pro using Master Clip effects so my grade would ripple down to each cut. Please try that if you can.