Natural Alexandrite with excellent color change trillion shape 2.97 carats with GIA Report / video
The very rare and valuable alexandrite is a transparent gemstone with a remarkable color-change property: it changes from Bluish Green to Pinkish Purple, mauve under incandescent light.
This is influenced by the different colors in light sources; daylight contains blue light while incandescent light has a red tone. The color change can be seen in thick stones, so check the cut.
A phenomenal weight of 2.97 carats and the unique triangular shape add to the desirability of this outstanding natural gem.
Alexandrite is a hard, durable stone. Alexandrite was found on the birthday of tsar Alexander II and named after him.