From Bulbapedia, the community-driven Pokémon encyclopedia.
Megumi Nakajima (Japanese: 中島愛 Nakajima Megumi) is a Filipino-Japanese voice actress for the Pokémon anime. Biography Nakajima was born on June 5, 1989, in Ibaraki Prefecture, Japan. Her mother was Filipino, her father Japanese, and her family had an affinity for music, which led to her developing an interest in pursuing a career as a singer. In 2003, Nakajima participated in and passed a musical audition held by Stardust Promotion, signing with the talent agency afterwards. Read More...
I mean yes, this is very clearly a crystal and not a symbol. But it honestly could be an item relating to the box legends… it seems to be a burst of light, and Scarlet and Violet are extremely likely to be catchier ways of representing Infrared and Ultraviolet aka the ends of the visible spectrum (or just outside it), since while Scarlet is closer to orange than not, it ends in LET just like Violet and is therefore catchy together as a pair. Read More...