14k Yellow or White Gold Tiny Polished Cross Screwback Earrings These earrings including the post and backings are made of solid 14k gold. These adorable earrings make a great gift for children but can be worn by anyone with a bit of whimsy. The earrings measure 4mm (0.16 in) x 5mm (0.2 in) and weigh 0.3g.