An opal inlay triangle and round diamond bezel are brought together to form a geometric stud. A great ornament for the helix, lobe, tragus, lobe, and to be worn on its own or as a pair. Sold as a single. SIZE & MATERIALS Composition: 14k yellow gold, opal, white diamond Measurements: stud: 5 x 3mm, threaded back post thickness: 19 gauge (0.95 mm), post length: 6.5 mm Closure: internally threaded heart back Read about piercing jewelry and closure systems. Collections Opal Jewelry - Opal Stud Earrings - Tragus Earrings - Flat Piercing - Lobe Piercing - Helix Piercing