Upscale. Aurora pearls are characterized by bright colors, usually including blue, purple, green and yellow. Aurora pearls are favored in the jewelry market because of their unique luster and colorful colors, and are mostly used to make high-end jewelry, such as earrings, necklaces and bracelets. It is one of the freshwater pearls in China, mainly produced in Hongze Lake and Luoma Lake in Jiangsu Province. In addition, "Aurora" is also the highest rating of white freshwater pearls by guild laboratories, which represents the highest level of overall quality of pearls.