How To Sharpen Ceramic Knives At Home Video. The diamond size should be as small as you can get—1000 or more (6 microns or smaller). Place your fingers on the upper side of the blade, trying to maintain a stable position while passing it through the surface of the sharpening stone.
All you need for this is a bit of steel wool, soap, and some water. There’s a brilliant video below which describes how to sharpen serrated knives using a ceramic rod and the cardboard method which is well worth watching. You can technically use other types of knife sharpeners, but diamonds are harder and thus will require far less work to remove material.
A course grit, to sharpen, and a fine grit, to polish.
Place your fingers on the upper side of the blade, trying to maintain a stable position while passing it through the surface of the sharpening stone. First, gently guide your ceramic knife through the slots of the coarse setting then take it through the fine setting to hone and polish it. This technique will remove the burr from one groove at a time. What is the best way to sharpen ceramic knives?