The Yasakani no magatama is one of the Three Sacred Treasures of the Imperial Family, along with the Yata no Kagami (the eight-span mirror) and the Ame no Murakumo no Tsurugi (the sword Ame-no-Murakumo, literally "Heavenly Sword of Assembled Clouds").
八尺瓊勾玉（やさかにのまがたま）は八咫鏡・天叢雲剣と共に三種の神器の一つ。