These Asscher cut, high AAA quality cubic zirconia stud earrings are 7x7mm in size, equivalent to 4 carats of white diamonds. These stud earrings are set in a fancy double prong, double wire, nickel free sterling silver with a 14k white gold plating. Each stud is 7x7mm in size. These stud earrings make the perfect gift, and great every day earrings! The Asscher cut originated from the Royal Asscher Diamond Company, founded in 1854 by the Asscher family. Since then, this gem cut has increased in popularity around the world, in many different stones, including this beautiful set of Asscher cut Cubic Zirconia Studs!