Sterling Silver Simulated Peridot CZ Eternity Ring Simulated Peridot CZ August Birthstone Stackable Ring Stone: 1.6mm W Material: 925 Sterling Silver, Cubic Zirconia Measure: 3mm Band Width Weight: 2.5 grams Simulated Peridot CZ August Birthstone Stackable Ring Stone: 1.6mm W Material: 925 Sterling Silver, Cubic Zirconia,Measure: 3mm Band Width,Weight: 2.5 grams