Engagement Ring features 0.5 ct (5 mm) round cut center stone accented by 8 perfectly matched smaller stones. Wedding band features 9 round cut stones. Set's material is rhodium plated Sterling silver (stamped 925 to indicate Authenticity). We use only top grade lab-created stones that are cut to the same specifications as genuine diamonds. They are the very best cubic zirconias on the market. Fantastic Clarity and Sparkle!