

It looks like someone has done it at some point! Though with a blocky head and in bronze colour for some reason. It turned up in image results and looks like it is from a deleted Etsy listing, so it’s not available any more.
There’s plenty of Christ the Redeemer 3D models available (eg. https://www.thingiverse.com/thing:3636051), which should be pretty easy to adapt to keycap for anyone who can do 3D modelling.
While I was looking for a Christ the Redeemer keycap (posted pic in another comment) I came across another statue keycap that is even pointier than the one in the original post:
source: https://www.etsy.com/listing/1830835231/statue-of-liberty-keycap3d-printing