Rhinestones, that is, synthetic crystal diamonds, because of their many cutting surfaces and high refractive index, can catch and reflect light like real diamonds, producing dazzling light.
Both the necklace and the earrings are double-layered butterfly shapes, with the bottom butterfly usually larger and acting as a stable base, while the top butterfly is smaller and more delicate, and the two are stacked together to create a rich sense of layer and dynamic beauty, as if they are ready to dance.