Treat yourself to a pair of plain gold studs with a twist with this pair of ball stud earrings. Made from 9ct yellow gold stamped with a 9K metal mark, these studs feature a double-sided hollow ball design. Each ball measures 8mm in diameter and the capped ball unscrews in order to remove and secure the earrings in place. These studs have a front to back distance of 2.2cm and they weigh just over 1 gram as a pair.