Engraving a cross is a personal decision and should be based on your own beliefs. It is important to consider the cultural implications of engraving a cross, as some cultures may view it as disrespectful or offensive. Additionally, it is important to think about how you want the engraving to be perceived by others. Engravings can be seen as a form of self-expression representing what is meaningful to you, so make sure you are comfortable with the message your engraving conveys before making the decision.