Why settle for one colour when you can have a whole sky-full with this pair of aurora borealis crystal stud earrings! The delicate, 3mm, cz crystals reflect a shimmering range of colours for a unique look in every light. Each of the stones is claw set in yellow gold plated sterling silver and sits at the front of an 11mm long pin. To keep them safely fastened they are supplied with a pair of butterfly backs.