Tough to say without pictures, however, depending on the quality of the blade build and type of diffusion used, you can see inconsistent color and lighting...if diffusion foam is squeezed together too tightly.
Never held a sabertrio hilt, but many pixel adapters have the same standards with three rings on the blade side adapter...the ones from TCSS and shtock are most common and work with each other. You should be sure before trying another blade so that you don