Have you ever wondered that one of the most famous diamonds in the world has a poetic name meaning “Mountain of Light”? For centuries, rulers and emperors believed this gem brought power, glory, and sometimes even misfortune.
This legendary stone has travelled across many kingdoms. It passed through the hands of kings, warriors, and conquerors, each leaving behind stories of battles and treasures.
Many historians connect it with royal crowns and thrones. Wherever it went, it became a symbol of authority and pride.
Some people also believe it carries a mysterious past. Stories say it brought good luck to some rulers but trouble to others.
Today, the diamond is still talked about in history books, museums, and debates. Its journey across countries makes it more than a jewel — it is a piece of world history.
Diamonds are natural gemstones made completely of carbon atoms. They form deep inside the Earth, around 150–200 km below the surface, under very high pressure and temperature. Most diamonds were created 1 to 3 billion years ago.
Main Characteristics of Diamonds
Even small impurities can change the diamond’s colour, giving shades like yellow, blue, pink, or brown.
The Kohinoor diamond is known as the Mountain of Light.
The name comes from the Persian language:
So, Koh-i-Noor literally means “Mountain of Light.”
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In 1739, Persian ruler Nadir Shah invaded Delhi and captured the Mughal treasury. When he first saw the diamond, he was amazed by its brilliance and reportedly exclaimed: Koh-i-Noor! (Mountain of Light)!
From that moment, the diamond became famous by this name.
Historians believe the diamond was mined in ancient India, most likely in present-day Andhra Pradesh from the famous Golconda mines.
In old Sanskrit writings, it was called “Syamantaka Mani” (or Samantika Mani) and was believed to possess divine power and bring great fortune.
Originally, the diamond was extremely large.
| Time Period | Weight |
| Original rough diamond | About 793 carats |
| Reached Britain | Around 190.3 carats |
| After recutting | 105.6 carats |
The reduction happened because polishing improves brilliance but reduces weight.
The Kohinoor is a Type IIa diamond, which means it is among the purest diamonds on Earth.
Features:
Type IIa diamonds contain almost no nitrogen impurities, making them extremely rare.
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