That's the best I can do to
help you figure out the size.
It's not exact, but it's a rough estimate!
(not to mention humorous in a rather demented way)
Sculpty
Click either picture for larger view
Create a metal base with wire and wire mesh
or use a belt buckle and then fill with sculpty(or other
bake in the oven clay). Carve in design
Bake and spray paint gold -though it may be
silver, it's hard to tell. I went with gold to match the
armor.