Nephrite jade and sterling silver stud with ball earrings, 6mm. (Natural) Used for centuries for its pure green color and true-grit hardness, nephrite jade is one of the world's best choices for fine carving and classic beauty. We buy from some of the world's most skilled carvers, enabling you to design with component themes that withstand the test of time. Enjoy these styles and allow yourself to be swept up by the timeless beauty of nephrite jade.