In the case of rings, he may be allowed to apply engravings only on the inside of the ring, while on others, he can imprint images on the surface as well.
As a general overview, your customer can write significant phrases, create a jewelry that combines engraving with adding stones, in order to tell a story. So give your client the chance to write his own story in a few, simple ways and have it carried everywhere with him.
As an optional feature, you can engrave text, or different patterns. Either the ones that are already inserted in the configurator or you can introduce new patterns in JPG or PNG format.
The level of engraving differ. It can be done on a standard depth, or it can vary until piercing the ring and creating open spaces. You can see examples for various engraving depths in the images below.