That s over 4 million per carat.
Most expensive precious gemstones.
The most expensive gemstones in the world are colored diamonds.
The most expensive emeralds ever sold identified as the rockefeller emerald were priced at about 305 000 per carat at the christie s auction.
Check out these ten incredibly rare and insanely expensive gems below.
And also the most advertised and romanticized.
March 30 2015 when we think of precious stones diamonds emeralds and rubies jump to mind as the most valuable gemstones in the world.
Alexandrite 70 000 per carat.
However or perhaps surprisingly there are so many gemstones that are even more rare and in turn even more valuable.
The oppenheimer blue a vivid blue diamond weighing 14 6 carats sold at auction for 57 5 million.
Not only are they rare but they are also known to have a spectacular brilliance and are the hardest substance found on earth.
Out of all other gemstones they are arguably the most popular among people.