16G 1/4 14K Yellow Gold November 1.5mm CZ Bioplast Push in Cartilage EarringProduct Details Solid 14k Gold 100% Nickel Free Handmade in USA Buffalo, NY Ethically Sourced Precious Materials 16 gauge birthstone cartilage jewelry with a 6mm barbell. This helix stud earring features a dazzling 1. 5mm CZ in a prong setting with a comfortable Bioplast shaft. Quality solid gold body piercing jewelry. Specifications 16 Gauge (1. 2mm), 1 4" (6mm), Solid 14k Gold, 1. 5mm Cubic Zirconia, Flexible Bioplast Shaft, Prong Setting, Handmade