EAR CARTILAGE PIERCING JEWELRY. Finally there is the perfect earring for your cartilage piercing (also know as a Helix piercing)! This is a very unique cartilage piercing earring featuring a 4mm Heart shaped ink CZ. This earring is crafted specifically for your helix piercing and is designed with comfort in mind. Incredibly unique and super trendy, these helix earrings Pare exactly what you need if you have a cartilage ear piercing. The charm is made from 925 Sterling Silver and the barbell is crafted from 316L Surgical Grade Stainless Steel for your protection. Barbell Size 18G (1mm); 18G is the standard size for ear cartilage piercings Barbell Length: 1/4" (6.4mm) Brand: FreshTrends Age: Adult Condition: New