Quality handcrafted solid gold cartilage earring designed with a 4mm cubic zirconia in a hand set prong-setting. Solid gold helix piercing jewelry is designed for the piercing on the cartilage at the top of your ear.. Specifications: 18 Gauge (1mm), 5/16 Inches (8mm), Solid 14kt Gold, 4mm Genuine Cubic Zirconia, Externally Threaded, Prong...