Does one refer to oneself as "one"?

[TheYearOfSmallThings]

After listening to numerous cut glass accents sharing reminiscences of Prince Philip, I am pondering use of "one".

Growing up in Ireland, it would have been seen as anglo-posh bordering on the comic. But now I am thinking about it, the French have "on" and the Germans have "man", and it does fulfil a useful role. I feel Prince Philip's cronies overuse it where "I" would suffice, but there are times where I would like to use it, but...I just don't think I could!

English people, can you say it and sound natural? Is it something that will become less and less common until it dies out?

Using it instead of 'you', in general for people - fine in writing, a bit posh orally. Using it instead of 'I' - extremely posh and a bit ridiculous.

""One looked forward to it" means that any person in the same position would look forward to it (which is, of course, an opinion and not a statement of fact!)"

But it doesn't mean that in the sentence given, does it. It's obviously about a particular person.

One does, especially when writing about oneself. Much more elegant. Not so much in speech, but still do.

My husband does, I don't.

My friend is quite posh and refers to herself as ' one' in a sentence. I don't think anything of it really. It's correct to say this I believe?