14k Solid Gold Round 5mm Cubic Zirconia Stud Earrings. Unisex 14k solid gold 4 prong casted stud earrings with the best quality 5.0mm Cubic Zirconia stone. Sold by the pair with 14k gold backing. 14k Solid Gold. Post Dimensions: 0.026" x 0.375" | 0.66mm x 9.5mm. 14k stamped on the earrings posts and backings. Made in USA.