14k Yellow or White Gold Simulated Blue Topaz and Cubic Zirconia Evil Eye Screwback Earrings These earrings including the post and backings are made of solid 14k gold and fine quality simulated blue topaz and cubic zirconia stones. Our simulated blue topaz has a rich, beautiful color and an unmatched sparkle, so it will easily convince others it's the real thing. These adorable earrings make a great gift for children but can be worn by anyone with a bit of whimsy. The earrings measure 8mm (0.31 in) x 8mm (0.31 in) and weigh 0.9g.