I would have to agree with everyone here: cutting contact would be best. If you keep seeing him, you will keep yearning for him and for sth that might never come back. If you cut contact, it will be hard for a few weeks, but I promise you, it will get a lot easier. By cutting contact you gain three advantages: 1) it is the least painfull thing to do in the long run, so you'll save yourself a lot of tears; 2) as said before here, you give him the message that you are not waiting around for him, but that of course only works if you absolutely keep all contact shut down; 3) even if he doesn't come back to, wich is something to keep in mind, by the time you realise this, you'll already have processed a lot from the break-up and moving on will be much easier.
Wasn't aware, meant for the best, ignorance is no excuse, but neither is insolence - a polite pm would have sufficed