Wear the iconic Northern Lights in your ears with these stunning Aurora Borealis stud earrings. The Aurora Borealis cubic zirconia crystals measure 0.2cm x 0.2cm x 0.1cm. Made from 9ct yellow gold, they have a front to back distance of 1.1cm and butterfly backs secure them in place. Very lightweight at just 0.1 grams per pair, they are the perfect combination of stylish and comfortable to wear.