The icing on the cake is you have to give them a prepaid envelope to send the certificate back to you. As if the $2350 isn't enough to cover postage...

Just renounced last month so I feel your pain. I've made peace with it by, in my head, amortising the cost over the rest of my life, but it sure would've been nice to do that with the lower fee!

It should be free. Not aware of any charge in the UK or Canada.