A fiery opal is encased in a setting of velvety 14k gold with a molten, irregular finish, creating an organic yet delicate stud. Perfect for layering and to be worn as an everyday option for lobe, helix, tragus, and flat piercings. Sold as a single. SIZE & MATERIALS Composition: 14k yellow gold, opal Measurements: stud: 4x5 mm, threading: 19 gauge (0.95 mm) width, 6.5 mm post length Closure: threaded heart-shaped ball back Read about piercing jewelry and closure systems. Collections Opal Jewelry - Opal Studs - Helix Piercing - Lobe Piercing - Tragus Piercing - Flat Piercing