14k Yellow Gold Tiny Butterfly Stud Earrings These earrings are made of solid 14k gold and are stamped "14k". Please note that these earrings are very lightweight, which allows us to sell them at such a low price. The butterflies measure 5mm (0.2 in) x 6mm (0.24 in), the weight of the earrings is 0.2g, the length of the post is 9mm.