Synthetic Alexandrite, appears green in the daylight, and turns raspberry red under incandescent light These Celtic knots in sterling silver jewelry are complete loops, with no beginning or end, symbolizing interconnectivity of life and eternity Silvershake Created Color Change Alexandrite 925 Sterling Silver Celtic Knot 7.25 to 8.75 Inch Adjustable Bracelet, is shipped with anti-tarnish protection in reinforced gift boxes & satin-style pouches; guarantee far-outlasting competitors Synthetic Alexandrite Color-Change gems possess the same properties as natural gems; they only differ in that they are grown in a controlled environment Silvershake Created Color Change Alexandrite 925 Sterling Silver Celtic Knot 7.25 to 8.75 Inch Adjustable Bracelet