Natural Alexandrite rings can be quite expensive as there
are only small and limited production supply. Alexandrite is one of the worlds
most rarest gemstone .
They are hard and tough and has a hardness of 8.5 in the
Mohs scale.
Alexandrite rings are rare because they can change their
colours depending on the throw of light on the stone.
Alexandrite rings are so rare and such a limited supply from
Tanzania, Russia
Metallic setting for Alexandrite rings are either platinum,
yellow gold, white gold and rose gold.
