STYLE: These classic stud earrings are 9mm long and wide, featuring 8.5mm round cut Infinite Elements Cubic Zirconia with a 5-carat total weight; perfect on its own or wear with your favorite Amazon Essentials jewelry.MATERIAL: Crafted in rose 18K gold over 925 sterling silver with post nut backingDETAILS: Hypoallergenic and suitable for sensitive skin, nickel free and lead freeCARE: Plated with anti-tarnish coating for a more lustrous appearance and durability; store in a cool, dry place in an air tight container and limit exposure to extreme temperatures, cleaning products, and perfume