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Thanks for the report. Sounds like the Spyderco is as hard as I thought. IIRC it is sometimes described as close to a synthetic Safire. That's why my first suggestion was a wet diamond saw.

Let us know what you end up using.

I've cut stones with regular pre dulled hacksaw blades too with good success. That Spyderco ceramic is pretty hard though. Another idea is to add some SiC grit to the cut as you're using the dull...

That would certainly be worth a try. Not a very expensive experiment and very unlikely to cause anything bad to happen.

I've never heard of anyone trying to cut one, but a diamond tile saw with a slow feed would be my approach.