A token given by the Gu family to An Juexiao's mother more than ten years ago as a keepsake. It is a solid and heavy diamond ring strung on a chain, kept in a box. It serves as An Juexiao's lucky charm. The ring has a mysterious property: it can float and sing when An Juexiao prays at her mother's photo, and it also reacts in Gu Zhanran's office.
