Most expensive gemstones

Most expensive gemstones, Its price is measured in carats and all come from formations from millions of years ago


10 most expensive gemstones in the history


1.- Red Diamond

1 million euros per carat

There are less than 30 worldwide and most of them are less than half a carat. That scarcity makes it the most sought-after stone in the world. For a long time, it was thought that its reddish color derived from an impurity but it has been discovered that it comes from crystalline plastic deformation, which makes it even more particular.



2.- Taaffeite

€ 35,000 per carat

Also known as BeMgAl4O8, it is one of the rarest minerals in the world. It is a gem first discovered in Dublin in 1945 but has also been found in alluvial deposits in Sri Lanka and Tanzania. One of its curiosities is precise that it has been discovered in quite distant territories.



3.- Grandidierite

€ 20,000 per carat

It is a rare species of gem that appeared in Madagascar in 1902. And more than a century later it continues to rank first for the most valuable minerals ever discovered. It is often found as an accessory mineral-rich in boron and aluminum and they look tiny. rocks, but with aquamarine tones.



4.- Serendibite

€ 18,000 per carat

It is a precious stone from a fairly rare mineral. It was discovered in Myanmar in the same year as the grandidierite (it was the time when it still resisted the gold rush, turned into a gemstone fever) and is made up of a complex chemical formula with many branches from calcium, boron, aluminum, and magnesium.



5.- Diamond

€ 15,000 per carat

It is one of the best-known gemstones in the world (cinema has contributed to this) and one of the most widely used in engagement rings (and weddings). And although many believe that it is the most valued, it is far from the first position. This type of stone is found in kimberlites that formed over billions of years.



6.- Alexandrite

€ 12,000 per carat

It owes its name to Count Perowskij, who named it after the future Russian Tsar Alexander II. It is a type of chrysoberyl that was found in the Russian Ural Mountains in 1830. Until the source of extraction was exhausted, it was the center of the Russian jewelry industry. Its most valuable and most outstanding feature is that it changes color depending on the light.



7.- Red beryl

€ 10,000 per carat

It is a mineral composed of beryllium, aluminum, and silicate. Natural beryllium is colorless but takes on its color when mixed with other elements. Most of them are in Utah (United States) and rarely exceed 2 or 3 carats. They are small, but a few of them can make you rich.



8.- Musgravite

€ 6,000 per carat

Its origins date back to 1967 when it appeared in Musgrave Ranges, Australia. It is from the same family as Taafeita but its composition is based on aluminum oxide with variable proportions of iron and zinc. Its shape is quite curious because it is the roundest of all the precious stones that make up the list.



9.- Benitoite

€ 4,000 per carat

It is a blue gem with a fairly bright tone composed of barium, titanium, and silica. This gemstone is found in San Benito County, California (where its name comes from). When the light is given, its blue color is enhanced, reflecting some very spectacular rays that surprise those who visit the areas where they are.




€ 3,000 per carat

It was discovered by the Poudrette family in 1960 on Mount Hilario in Quebec, Canada, but it wasn’t until 2000 that more were found in Mogok, Burma. It is pink in color and has a hardness of 5 on the Mohs scale. Its mass discovery caused it to gain value, but not enough as it was a recent appearance. Eventually, it will move up the list.




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