3-Stone White Cubic Zirconia (CZ) 925 Sterling Silver J-Hoop Earrings 2PCS Synthetic White Cubic Zirconia Size 3.5X3.5 mm. 2PCS Synthetic White Cubic Zirconia Size 3X3 mm. 2PCS Synthetic White Cubic Zirconia Size 2.5X2.5 mm.