With a little method and material you can easily repair chipped ceramic.
Tools and materials needed:
Putty filling paste.
Sandpaper with very fine grain.
A small knife or a knife.
Step 1: Ceramic repair
Lay a layer of glue at the impact site.
Immediately after, apply the filler to the glue with your knife.
Smooth it all with a finger or cotton bud slightly moistened.
Step 2: the finishes
Once your plaster is perfectly dry, sand it very lightly with fine grit sandpaper.
Be careful, make sure to sand only on the plaster otherwise you risk damaging the rest of your ceramic.