Caperci Sterling Silver Black Cubic Zirconia Stud Earrings for Women & Men (4mm-8mm) The natural properties and composition of mined gemstones define the unique beauty of each piece. The image may show slight differences to the actual stone in color and texture. Material: sterling silver 930 princess-cut AAA grade cubic zirconia stud earrings black Cubic Zirconia Dimension: 5mm x 5mm, Gender: Women, Men Backing: Push Backin, Approximate Weight: 3.0 grams Package: Free Gift Box