Lab grown (synthetic) Alexandrite:

From wiki "Synthetic alexandrite is a crystal which has been created by man. Most true synthetic Alexandrites are grown by pulling (Czochralski method)."

Color change stone:

-- 8.40mm x 8.40mm octogon x 5.8mm, 2.925 cts

-- Cornered (design by Jeff Graham) - Checkered Crown - 56 facets

-- this gemstone cut from rough (Laser Rod Applications Czochralski Pull Method) purchased from All That Glitters

-- chrysoberyl family which has the chemical composition beryllium aluminum oxide

-- purple/mauve in incandescent light

-- teal blue in sunlight or fluorescent light

-- MOHS 8.5

-- RI 1.74 - 1.75

VIDEO LINK

NOTE: This item will need additional insurance - contact seller for shipping price.