Also, one thing I forgot to mention that I think is really important...
If the company is prepared to offer you a big enough raise to tempt you to stay, and able to organise that raise at short notice, why didn't they value you enough to give you that raise before then?
If the company is prepared to offer you a big enough raise to tempt you to stay, and able to organise that raise at short notice, why didn't they value you enough to give you that raise before then?