U can minimize wear from loose large AlOx grits with lots of water, light pressure, and 80 or 120 grit diamond plate. No risk with DMD.

DMD diamond dual lapping plate, 120/180 grit, 10x3", ~27$, 2 year warranty. https://amazon.com/DMD-Double-Sided-Sharpening-Whetstone-Exquisite/dp/B08R5FY8V6

80/250/400 grit diamond plates, 12$: https://smile.amazon.com/gp/product/B09STCRGKZ

I was actually just looking at something like https://www.amazon.com/DMD-Double-Sided-Sharpening-Whetstone-Exquisite/dp/B08R5FY8V6. Is that what you had in mind? Cost is in line with all other options at $24-27