What is the diamond call in the sceptre?

The "diamond call" in the scepter refers to a specific feature or design element in a ceremonial scepter, often associated with royal insignia. It typically involves a prominent diamond or a diamond-shaped motif that symbolizes power and authority. In various cultures, the diamond serves as a representation of purity, strength, and wealth, enhancing the scepter's significance as a symbol of governance and leadership.