The Honoris Crux Diamond was a silver-gilt Maltese cross that fits in a circle 45 millimetres in diameter, with two swords in saltire surmounted by a circular protea wreath, the arms of the cross in green enamel, with a roundel in the centre tierced horizontally in the orange, white and blue bands of the national flag, framed in a double circle containing eight diamonds set in green enamel.
The Honoris Crux Diamond was an ornate silver-gilt Maltese cross that measured 45 millimeters in diameter, featuring two crossed swords atop a circular protea wreath. The arms of the cross were encased in green enamel, while a central roundel displayed the national flag's colors: orange, white, and blue. This prestigious medal was set within a double circle adorned with eight diamonds.