14K 18K Solid Gold Moissanite or Diamond 1.7mm Stone Helix Tragus Cartilage Conch Barbell Piercing Earring StudYou Will Receive A Single Piece ( Not A Pair (Not A 2 pieces)) Materials : 14K Solid Gold,18K Solid Gold Gauge16G(1. 2mm), 18G(1. 0mm)Post Length(after closing) If you require a post length, please contact us for price. [Main Stone ] 1. 7mm Moissanite : VVS1 VVS2 D F Lab Grown Diamond : VVS1 VVS2 D F Natural Genuine Diamond : VS1 F Backing type: Ball back, 3mm in diameter Flower backing Ball : 5mm if you want other gemstone, diamond, and natural stone