When we think of something "diamondlike," we often think of something that is clear and sparkly, just like a diamond. However, there are other words that can be used to describe this look and feel. For instance, "crystal" describes something that is clear and reflects light, similar to a diamond. "Gleaming" is a word that evokes the idea of a shining surface, while "lustrous" implies something that has a glossy sheen. Other synonyms for "diamondlike" can include "glittering," "radiant" and "brilliant." Whatever term you choose to use, it's clear that the dazzling beauty of a diamond is difficult to replicate with anything else.