Why Should You Choose a Custom Engagement Ring? You are always given an option to choose from. The choice would be yours as to whether to choose one of the easily accessible engagement rings or a custom-made one. These are some of the arguments on why customizing is the superior option.The ability to create your Custom Engagement Ring within your budget is the finest justification for doing so. A gemstone is the primary factor that drives up the cost of a Gemstone Ring. In most cases, the Gemstone costs more than the actual ring. You will profit more from personalising or customising your Gemstone rings if you are able to select the Gemstone.