Make a change from the usual knot earrings that have just 1 colour, with this pair of knot studs that feature 3 for a pretty mixed gold effect. Made from 9ct yellow, white and rose gold, the knot design measures 0.8cm x 0.8cm x 0.5cm, with the front to back distance of the studs measuring 1.3cm. Weighing half a gram, these studs are supplied with butterfly back fastenings.