These 5mm stud round moissanite earrings by the Global Gemological Research Academy (GRA) are crafted with 925 sterling silver and feature a white moissanite stone with excellent cut grade. The screw back closure ensures secure wear, making them a stylish and quality piece of fashion jewelry. Sourced from the United States, these earrings exude elegance with their round shape and stud style, perfect for adding a touch of sophistication to any outfit.