A trio of three stones clustered together - a milky Australian opal, mother-of-pearl, and sparkling white diamond. An understated stud with an exciting mix of colors, perfect for the helix, lobe, tragus, and nose piercings.   Sold as a single.   * This piece comes with a 6.5mm back post. Additional posts with different lengths can be purchased as add-ons. SIZE & MATERIALS Composition:   14k yellow gold, Australian opal, mother-of-pearl, white diamond Measurements:   trio stud: 4 x 4.5mm, 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 Pearl Piercing - Pearl Jewelry - Gold Jewelry - Diamond Piercing - Flat Piercing - Lobe Piercing - Helix Piercing - Opal Piercings - Diamond Jewelry - 14k Gold Jewelry - Elegant Earrings - Diamond Studs