Add to your jewelry collection with this LC Lauren Conrad Semi Stone Front To Back Earrings. Add to your jewelry collection with this LC Lauren Conrad Semi Stone Front To Back Earrings. Metal: zinc alloy Size 7 Backings: post Plating: silver tone Width: 17.3mm Finish: polished Simulated stone: quartz Earring diameter: 1-in. Not appropriate for children 14 years old and younger. Size: One Size. Color: Purple. Gender: female. Age Group: adult. Material: Gold.