Sterling Silver Rose Tone CZ Tree of Life Ring (Size 4 - 10) 925 Sterling Silver, 925 Stamped, Lead and Nickel Free. Sterling Silver Tree of Life Ring. Imported from Asia. Quality Assured in Los Angeles, CA USA. Clear Cubic Zirconia, Face Height 12 Millimeters, Comes in a Cotton Filled Gift Box Available in Size 4 - 10.