925 Silver Simulated Alexandrite CZ Birthstone Eternity Ring Simulated Alexandrite CZ June Birthstone Stackable Ring Stone: 1.6mm W Material: 925 Sterling Silver, Cubic Zirconia Measure: 3mm Band Width Weight: 1.9 grams Simulated Alexandrite CZ June Birthstone Stackable Ring Simulated Alexandrite Color Cubic Zirconia Band Width 3mm,.925 Sterling Silver