Ruby is the most valuable variety of the corundum mineral species, which also includes sapphire.
Traces of chromium give this red variety of the mineral corundum its rich color. Long valued by humans of many cultures. In ancient Sanskrit, ruby was called ratnaraj, or "king of precious stones."
In Sanskrit, ruby is ratnaraj, meaning the king of gems.
On May 29, 2012, a 6.02-carat ruby ring sold for $551,000 per carat, setting a new record at auction for a colored gemstone.
Myanmar´s legendary valley of rubies; the source of many of the world´s most fabulous gems.