The Pure Jewel (ピュアジュエル Pyua Jueru?) is the source of color in Nijiiro and the universe. It contains many color crystals, which scattered to Earth when Nijiiro was attacked. Four crystals ended up in Nijisora.
Around the world, different girls are finding the crystals and becoming the new Legendary Pretty Cure. They must find all of the crystals to restore color to the universe.
- There are known to be over 100 pieces of the Jewel.
- The Jewel is in the center of Nijiiro.