How To Sharpen Ceramic Knives. Instead always use a wooden or plastic cutting board. You can technically use other types of knife sharpeners but diamonds are harder and thus will require far less work to remove material.
Now take the knife in your right hand. The blade should be supported and you should be careful not to laterally exert pressure to snap it in half. Hand wash your knives.
Place against the grindstone gradually all sides of the knife.
Repeat the action of taking your knife through the fine setting for a smooth sharp blade in seconds. You have more control over the blade and you can go as slow or as fast as you feel comfortable. A combination of the two compounds creates a stable material called TTZ Transformation Toughened Zirconia. Ceramic knives are different.