The most expensive emeralds ever sold identified as the rockefeller emerald were priced at about 305 000 per carat at the christie s auction.
Most expensive precious gemstones.
And also the most advertised and romanticized.
The oppenheimer blue a vivid blue diamond weighing 14 6 carats sold at auction for 57 5 million.
Check out these ten incredibly rare and insanely expensive gems below.
Alexandrite 70 000 per carat.
Out of all other gemstones they are arguably the most popular among people.
The largest loose diamond in the world is the paragon diamond weighing in at 137 82 carats while the pink star diamond is the most expensive gemstone to ever be sold at a whopping 83 million.
The most expensive gemstones in the world are colored diamonds.
Not only are they rare but they are also known to have a spectacular brilliance and are the hardest substance found on earth.
The pink star a 59 6 carat vivid pink diamond recently became the most expensive gemstone ever sold at 71 2 million.
That s over 4 million per carat.