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The Most Expensive Gemstones in the World

The Most Expensive Gemstones in the World

The most expensive gemstones in the world. When we talk about this, then the answer of most people is diamond. But most people do not know that apart from diamonds, there are many such gems in the world, which are not only valuable but their price is also more than diamonds. After knowing their value, you will press your finger under your teeth.

Here we will know about the most expensive gemstones in the world, along with their chemical names.


You have hardly heard the name of this gem. The chemical formula of this mineral is Al6B5O15(F, OH)3. It is a member of the aluminum family, which also contains fluoride and hydroxide. It was first discovered in 1883 in Adun-Chilon, a mountain in Siberia. This stone is as hard as quartz. If its hardness is measure on the Mohs scale, it falls between 6.5 to 7.5, so it is use in making jewelry. Depending on the purity in the market, its price can be up to 2 thousand dollars per carat.

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Fire opal-

Talking about fire opal, it should not be amiss to say that it is not a mineral, but it is a sub-mineral because it does not have any crystalline structure like other mineral stones. Its chemical name is SiO2·nH2O. This mineral is the result of a mixture of silica i.e. sand hydrate and dioxide. Opel comes in many colours, depending on the environment and place from which it was extract. This beautiful stone, which comes in many colours, is also use a lot in the work of making jewellery and depending on the quality in the market, the price of this stone is up to 2 thousand 300 dollars per carat.

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Powdering can also be given a place in the list of precious gems because this good quality stone in the market sells up to $ 3000 per carat. It was first discover in 1960 at Mont Saint Hilary in Quebec, Canada, but a powderize of excellent quality was discover 40 years later in Mogok Burma, measuring 9.41 carats. This pink color stone is also use prominently in the jewelry industry as its hardness also comes up to 5.0 on the Mohs scale. Its chemical formula is KNa2B3Si12O30.


This bright blue coloured gemstone is very pleasing to everyone’s eyes. Its chemical name is BaTiSi3O9. Compose of a mixture of barium, titanium, and silica, the gemstone was originally compose of its brother serpentine, which survive in a colder environment more slowly than it, and which convert serpentine into benitoite due to hydrothermal effects. This very rare mineral was first discover in San Benito, California, hence the name of this precious stone was name Benitoite after this city. Due to its beauty and luster, this gem, which spreads blue light, is sold in the market for up to 4 thousand per carat.

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The most expensive gemstones in the world, first discovered in Australia in 1967, is also very much liked in the jewellery industry. Its chemical name is Be(Mg, Fe, Zn)2Al6O12. This very rare and precious stone is a member of the family of tephite. This stone is an oxide of aluminium in which magnesium, iron and zinc are found. If the quality of the stone is excellent, then connoisseurs can give it up to 6 thousand dollars per carat.

Red beryl-

Red Beryl also comes in the list of precious gems. Its chemical name is Be3Al2Si6O18. It is made from a mixture of beryllium, aluminum and silicate. Talking about pure beryl, it does not have any color, but it gets its color due to the presence of other elements inside it. It was first discovered in the Thomas Range of Utah. In the market, the price of this stone is found up to 10 thousand dollars per carat. So far this precious stone has not been discover bigger than 2 or 3 carriages.

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Alexandrite has nothing to do with Sikander. It was first discovered in the Ural Mountains of Russia in 1830. Its chemical name is BeAl2O4. It is a mixture of beryllium and aluminium. It is in high demand due to its colour changing properties. In the light, this stone appears like an emerald, while in the dark it changes its colour to look like ruby ​​red. In the jewellery industry, up to 12 thousand per carat of this stone is find.


Diamond is that precious gem which is famous all over the world and every common man knows a lot about it. It is not the most precious gem in the world, but it has the title of being the hardest gem. Made of pure carbon, this gemstone is found all over the world and it is the best selling and visible stone of the crown of jewellery. Scientists believe that 3 billion years ago, these rare stones were born due to a lot of pressure and heat in the womb of the earth. Diamond is available in the market for up to 15 thousand dollars per carat depending on its lustre and quality. Read the history of Kohinoor diamond here.

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More interesting than this stone is its chemical name, which must have always been difficult for scientists to remember. Its chemical name is (Ca, Na)2(Mg, Fe2+)3(Al, Fe3+)3[O2|(Si, Al, B)6O18. Discovered in Sri Lanka in 1902, this precious gem is very rare. Like its complex formula, it is made from a mixture of several metals such as calcium, boron, aluminium, magnesium and Ferrum. Recently it has also been discover in the Mogok area of ​​Myanmar. Due to being rare, it costs up to 18 thousand dollars per carat in the market.

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The chemical name of this precious stone found in Madagascar is (Mg, Fe2+)Al3(BO3)(SiO4)O2. In the market, it is available for up to 20 thousand dollars per carat. The reason for its value is that it is rare. It is made up of magnesium, Ferrum, aluminium and silica. Its colour is greenish-blue and due to being transparent, its aura is form on sight.


In its early stages, this gem was consider as another gem similar to it. In 1945, it was first discover in Dublin, Ireland, but there it was found not in a mine but with a jeweler. It happen that considering it to be spinal, the jeweler carve it and when it was examine, it was found that it is a very rare stone that has not been discover yet. Even today, many people mistake it to be spinal. Its chemical name is BeMgAl4O8. It is made from a mixture of barium and magnesium. At present, it is find in Sri Lanka and Tanzania. Its price in the market is up to 35 thousand dollars per carat.

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Red Diamond

It is the king of all precious stones because its price in the market is up to one million dollars per carat. In the history of mining to date, only 30 red diamonds have been discover in the world, more than half of which are less than half a carat. In the same category, a 5.11-carat red diamond name Moses were sale for 8 million. It was the largest red diamond ever find in the world.

All these above gems are the rarest and the most expensive gemstones in the world. People can’t easily buy these stones. Moreover, these are not available at every store.

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