Ziamond Cubic Zirconia CZ Stud Earrings are the best option when considering real diamond stud earrings. All Ziamond cubic zirconia cz stud earrings are set in the same high quality mountings used to set real stud earrings and are available with standard backs, screw backs or large backs. All Ziamond cubic zirconia cz jewelry is set in 14k gold, 18k gold, or platinum.