Sterling Silver White Lab Created Opal Clear CZ Infinity Princess Shape Ring (Size 4 - 12) 925 Sterling Silver, 925 Stamped, Lead and Nickel Free. Women's Sterling Silver Statement Ring. Lab Created Opal, Simulated Diamond (Cubic Zirconia), Face Height 8 Millimeters, Comes in a Cotton Filled Gift Box. Imported from Asia. Quality Assured in Los Angeles, CA USA. Available in Size 4 - 12