SOLID 18K YELLOW AND WHITE GOLD EARRINGS. They are genuine Made in Italy. Length: 21 mm (0.83 inches).Width: 14 mm (0.55 inches). Weight: 3.9 grams (0.14 ounce). Italian law, in order to protect the MADE IN ITALY, requires that all jewelry products in Italy have printed both, the mark of the gold fineness 750 (which is the Italian equivalent of 18k) and that of the producer. The earrings are accompanied by a certificate of guarantee on which is guaranteed both.