Lab Created Alexandrite Lozenge Shape Step Cut AAA Quality Available in 4x2MM -16x8MM Our Lab-grown alexandrite's are chrysoberyl's, not corundum, as they possess a distinct color-changing property due to the presence of chromium ions. Alexandrite is the birthstone for the month of June. "Emerald by day, ruby by night," alexandrite is well known for displaying one of the most remarkable color changes in the gem world -- green in sunlight and red in incandescent light. Gemstone Information…
148