A molten gold stud anchors a trio of luminous opals in this playful hook earring. Sold as a single. SIZE & MATERIALS Composition: 14k yellow gold, opal Measurements: Gold stud: 3.5mm, Opal stud: 4.5mm, 17 gauge Closure: Internally threaded Read about piercing jewelry and closure systems Collections Opal Jewelry - Gold Piercings