An enchanting flower stud with a quintet of bezel set opals surrounding a sparkling white diamond. A magical option perfect for helix, lobe, and tragus piercings. Sold as a single. SIZE & MATERIALS Composition: 14k yellow gold, opal, white diamond Measurements: Stud: 4mm, threaded back post thickness: 16 gauge (1.2mm), p ost length: 6.5mm Closure: internally threaded heart back Read about piercing jewelry and closure systems .