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Most Expensive Gemstones

Red Diamond

A combination of high demand, rarity and overall beauty of a particular gemstone is what ultimately determines its value and sets it apart from the rest. Most would assume that diamonds would take the number one spot as far price per carat and in many cases they would be correct depending on the color and clarity. But there are a number of other precious stones being sought out for their rare qualities that make them, often times, just as pricey.
As far as diamonds go, the red diamond is the most rare color of them all, as only 20-30 certified red diamonds are known to exist. In 2007, Sotheby’s auctioned off a 2.26 carat red diamond selling for $2.7 million. If you do the math, thats around $1.18m per carat (yiiikes!)


A surprising addition to the list of the most expensive gemstones ever is the jadeite. Although it may not be as popular as, lets say a diamond or even an emerald, very high quality jadeites have been sold for upwards of 20,000 per carat due to their rarity.

Paraiba Tourmaline

Often called the “neon tourmaline” for its vibrant light blue hue, the Paraiba Tourmaline is also one of the most rare gems in the world. Though tourmaline come in all colors of the rainbow, paraiba tourmaline still fetches the highest prices. High quality paraiba tourmaline will sell for around $12,000 per carat.


If your into something a bit more unique with gorgeous color changing properties, toss out that mood ring and get your hands on some Alexandrite. Although there are synthetic alexandrites flooding the market, an authentic one carat stone would cost around 10 grand, however those that are over 3 carats are extremely rare and will hit you for upwards of 30,000 per carat.

What are some of your favorite gemstones and where do you think they rank on the most expensive list? ~vK

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