warmest/finest/dearest congratulations

[vkhu]

Please accept our warmest/finest/dearest congratulations!

I think it's "warmest" here but I sometimes hear people saying "dearest" too, so which is it?

 

[5jj]

I have heard neither 'finest' nor 'dearest from native speakers of BrE.

 

[Tdol]

I would use warmest and not the other two.