14k Yellow or White Gold White Round Freshwater Cultured Pearl Cross Screwback Earrings These earrings including the post and backings are made of solid 14k gold, featuring white freshwater cultured pearls. Our freshwater cultured pearls are luminous and practically without blemish, making them look similar to pearls that fetch three times the price. These adorable earrings make a great gift for children but can be worn by anyone with a bit of whimsy. The earrings measure 7mm (0.28 in) x 10mm (0.39 in) and weigh 0.7g.