Combining the luxury of gold with the durability of titanium, this heart dangle barbell stud makes a sparkling statement. Made in responsibly sourced 14K hollow yellow gold and hypoallergenic polished titanium that's both lightweight and durable. Stone: Cubic Zirconia Stone Size: 3 mm, 1 mm Gauge: 18 Tube Length: 5/16" Height x Width: 9.4 x 5 mm Fits cartilage piercings: helix, forward helix, tragus, conch and flat.