Aaron Shum Jewelry Ltd launches the flagship brand, CORONET, in 2005. It sweeps the world through its outstanding and unique mosaic technique and design. Since 2015, CORONET wins TEN diamond-related Guinness World Records and become the only brand that has TEN Guinness World Records. In 2020, Aaron Shum Jewelry opens The Amazing museum to the public, which exhibits the Guinness World Records and jewelry art, becoming a unique extraction in Hong Kong.