In Ancient Greek myth, Libra is the sign of the goddess Dike, the personification of moral justice and equality. She sits by her father Zeus and tells him of any injustice so that it will be punished. As the sun passes through the sign of Libra, day and night are of equal length representing the goddess' love of balance. The earring takes the form of a simple stud which supports a circle - considered by the Ancient Greeks to be the most geometrically perfect shape – and within it a cluster of the stars accurately forms the constellation, suspended in space by a delicate wire. Measurements: 10mm diameter x up to 2mm thick. Measurements: 10mm diameter x up to 2mm thick.