For centuries, simple and austere, diamonds have attracted humans and symbolised love, luxury and eternal beauty. Yet, more than their shimmer, these gems have a few secrets to reveal to you which most of the people are unaware about them. Whether you are a jewellery lover or merely intrigued about these sparkling gemstones, here are 10 mind-blowing facts about diamonds that you may not have known.
1. Diamonds Are Billions of Years Old
The age of diamonds is one of the most fascinating diamond facts. Diamonds are found in Earth and Diamonds on earth are 1 to 3 billion years old. Deep below the earth's surface, they were formed under extreme pressure and heat, making them one of the oldest natural creations around.
2. Diamonds Are the Hardest Natural Substance
On the scale of hardness called the Mohs scale, diamonds list 10, the hardest naturally occurring earth material. This exceptional toughness allows diamonds to scratch nothing but the diamond itself. This is the reason, why they are used in jewellery and also in industrial cutting tools.
3. Some Diamonds Are Found in Space
Did you think diamonds were the planet's best friend? Researchers have identified these diamond-like materials within meteorites that have fallen to Earth. Hunting for diamond in space Stardust, or these cosmic diamonds, that would mean diamonds might be throughout the universe.
4. The Largest Diamond Ever Found Was 3,106 Carats
And speaking of big diamonds, the biggest rough diamond that was ever found is the Cullinan Diamond, which is one of the most interesting facts about diamonds. Discovered in South Africa in 1905, which weighed 3,106 carats before cut into a number of smaller gems (some now incorporated in the British Crown Jewels).
Also Read: - 8 Facts About Natural Diamonds That Make Them Such Precious
5. Diamonds Can Come in Many Colours
Whenever the word diamond comes to people's minds, people usually think about colorless, white-stoned diamonds. Diamonds actually exist in a range of colours naturally, including blue, pink, yellow, green and even black. These colours can be attributed to the presence of trace elements or to structural changes when it formed.
For example:
1. Diamonds Are Billions of Years Old
The age of diamonds is one of the most fascinating diamond facts. Diamonds are found in Earth and Diamonds on earth are 1 to 3 billion years old. Deep below the earth's surface, they were formed under extreme pressure and heat, making them one of the oldest natural creations around.
2. Diamonds Are the Hardest Natural Substance
On the scale of hardness called the Mohs scale, diamonds list 10, the hardest naturally occurring earth material. This exceptional toughness allows diamonds to scratch nothing but the diamond itself. This is the reason, why they are used in jewellery and also in industrial cutting tools.
3. Some Diamonds Are Found in Space
Did you think diamonds were the planet's best friend? Researchers have identified these diamond-like materials within meteorites that have fallen to Earth. Hunting for diamond in space Stardust, or these cosmic diamonds, that would mean diamonds might be throughout the universe.
4. The Largest Diamond Ever Found Was 3,106 Carats
And speaking of big diamonds, the biggest rough diamond that was ever found is the Cullinan Diamond, which is one of the most interesting facts about diamonds. Discovered in South Africa in 1905, which weighed 3,106 carats before cut into a number of smaller gems (some now incorporated in the British Crown Jewels).
Also Read: - 8 Facts About Natural Diamonds That Make Them Such Precious

5. Diamonds Can Come in Many Colours
Whenever the word diamond comes to people's minds, people usually think about colorless, white-stoned diamonds. Diamonds actually exist in a range of colours naturally, including blue, pink, yellow, green and even black. These colours can be attributed to the presence of trace elements or to structural changes when it formed.
For example:
- Blue diamonds get their colour from boron.
- Yellow diamonds contain nitrogen.
- Pink diamonds have a mysterious formation process still debated by scientists.
6. Diamonds Were Once Believed to Have Healing Powers
In ancient times, people believed that diamonds had mystical and healing properties. Some cultures thought they could cure diseases, ward off evil spirits, and even protect warriors in battle. While these beliefs may not hold scientific truth, diamonds still carry deep symbolic meaning in many cultures.
7. The First Diamond Engagement Ring Was Given in 1477
One of the 5 facts about diamonds that many people don’t know is that the tradition of diamond engagement rings began in 1477 when Archduke Maximilian of Austria proposed to Mary of Burgundy with a diamond ring. This started a trend among European aristocrats and eventually became a worldwide tradition.
8. Not All Diamonds Are Used for Jewellery
Most people know diamonds are precious stones mostly used in rings, necklaces, and other jewellery, but, and interestingly, 80% of mined diamonds is actually used to the industry. The extreme hardness of diamonds makes them ideal for cutting, grinding, and drilling tools used in many industries, including construction, medical technology, and even in space.
9. Lab-Grown Diamonds Are Identical to Natural Diamonds
A lot of people assume that lab-created diamonds are not real, but this just is not the case! They possess the same chemical, physical and optical properties as mined diamonds. They are only different in that they are synthesized in a laboratory, instead of being formed naturally over billions of years.
Lab-created diamonds provide an ethical option, which explains why you will find them being offered as an alternative to mined diamonds, which resonates with customers who care about the environment.
10. The Word "Diamond" Comes from the Greek Word for "Unbreakable"
The term diamond comes from the Greek word adamas, which means invincible or unbreakable. Diamonds are eternal too; they are the hardest material known to man, surviving extreme conditions.
In ancient times, people believed that diamonds had mystical and healing properties. Some cultures thought they could cure diseases, ward off evil spirits, and even protect warriors in battle. While these beliefs may not hold scientific truth, diamonds still carry deep symbolic meaning in many cultures.
7. The First Diamond Engagement Ring Was Given in 1477
One of the 5 facts about diamonds that many people don’t know is that the tradition of diamond engagement rings began in 1477 when Archduke Maximilian of Austria proposed to Mary of Burgundy with a diamond ring. This started a trend among European aristocrats and eventually became a worldwide tradition.
8. Not All Diamonds Are Used for Jewellery
Most people know diamonds are precious stones mostly used in rings, necklaces, and other jewellery, but, and interestingly, 80% of mined diamonds is actually used to the industry. The extreme hardness of diamonds makes them ideal for cutting, grinding, and drilling tools used in many industries, including construction, medical technology, and even in space.
9. Lab-Grown Diamonds Are Identical to Natural Diamonds
A lot of people assume that lab-created diamonds are not real, but this just is not the case! They possess the same chemical, physical and optical properties as mined diamonds. They are only different in that they are synthesized in a laboratory, instead of being formed naturally over billions of years.
Lab-created diamonds provide an ethical option, which explains why you will find them being offered as an alternative to mined diamonds, which resonates with customers who care about the environment.
10. The Word "Diamond" Comes from the Greek Word for "Unbreakable"
The term diamond comes from the Greek word adamas, which means invincible or unbreakable. Diamonds are eternal too; they are the hardest material known to man, surviving extreme conditions.
FAQs on Facts About Diamonds
How old are diamonds?
Diamonds are among the oldest natural things on earth, with most ranging between 1 to 3 billion years old.
What is the rarest diamond colour?
Among all colors of diamonds, red diamonds are the rarest ones, and only a handful of them dot the world.
Are lab-grown diamonds real diamonds?
Yes, lab-grown diamonds possess the same physical and chemical properties as those grown by nature. Instead, they are made in a laboratory instead of mined from the earth.
Conclusion
Diamonds are more than just stunning gemstones; they have a rich history, scientific significance, and incredible durability. From their origins deep within the Earth to their presence in space, these Facts About Diamonds prove just how extraordinary they truly are. Whether you're looking to invest in a diamond or simply appreciate their brilliance, knowing these 25 interesting facts about diamonds will give you a deeper appreciation for these timeless treasures.
Looking to buy a diamond? So, search through our range and buy diamond jewellery that kindly perfectly for your requirement!
