These 18k Gold Filled Crescent Moon Studs featuring cubic zirconia stones are high-end fashion jewelry. They are hypoallergenic, water resistant and manufactured under CA Prop 65 and EU standards for long-lasting beauty and wearability. With a 10 mm stud size and weighing only 1.2 grams per pair, these studs are the perfect addition to any look. Made in Brazil, they will last a lifetime.