925 Sterling Silver Round Cz Sappire Stud Earrings - Metal: 925 Sterling Silver (Finish: Rhodium Plated) - Stone: Clear Cubic Zirconia/Lab-created Blue Sapphire, Round, Prong - Shape: Round Halo - Dimension: Diameter 7mm(0.28 in), Thickness 4mm/3mm. (Blue Sapphire diameter 4.8mm/0.19 in) - Closure: Post at Center, Push Back - Color: Silver