"with flat back ring for nose hear lip aproxx 2mm natural diamonds F/VS * Made of 14K solid yellow gold stamped  * Shaft measures 18 gauge with an overall length of 8 mm (5/16\")" Classic Gold Piercing With Single Diamond, Classic Gold Piercings With Single Diamond, Classic Gold Round Cut Piercings, Classic Yellow Gold Internally Threaded Nose Studs, Dainty Gold Piercing With Single Diamond, Classic Round Internally Threaded Nose Studs, Classic Gold Round Nose Studs, Yellow Gold Nose Studs With Prong Setting, Classic 14k Yellow Gold Nose Studs