14k Solid Gold Round 4mm Cubic Zirconia Stud Earrings. Stack earrings minimalistic details for detail-oriented fashionista. 14k solid gold 4 prong casted stud earrings with the best quality 4.0mm Cubic Zirconia stone. 14k Solid Gold. 7A 4.0mm clear cubic zirconia. Post Dimensions: 0.026" x 0.375" | 0.66mm x 9.5mm. 14k solid gold backings. Made in the United States.