Celtic Tree of Life Pendant with clear cz stones on 18" chain in sterling silver. Legend: The Celtic Tree of Life depicts the forces of nature which converge together to create harmony, unity and balance of the universe. Celts believed the Trees of Life or Crann Bethadh to be the symbol of 'Creator' which provided food, warmth and shelter. Celtic people attribute qualities such as wisdom, strength, longevity, prosperity and protection to the Tree of Life.