18K GOLD EARRINGS They are genuine Made in Italy.   . Metal: 18K White Gold  . Heart diameter: 5 mm (0.2 inches) . Weight: 0.6 grams  . Supplied with box, bag, warranty and invoice of our jewelry  They have printed the mark of the gold fineness 750 (it is the equivalent of 18k)  Accompanied by a certificate of guarantee on which is guaranteed the gold content.