925 Silver Bridal Solitaire CZ Engagement Wedding Ring Set 1 Carat Simulated CZ Solitaire Stone: 7mm W Material: .925 Sterling Silver, Cubic Zirconia Measure: 4mm Band Width Weight: 4 grams 1 Carat Simulated CZ Solitaire Stone: 7mm W Material: .925 Sterling Silver, Cubic Zirconia, Measure: 4mm Band Width, Weight: 4 grams.