Guillema Arndt

Written by Guillema Arndt

Modified & Updated: 06 Mar 2024

Jessica Corbett

Reviewed by Jessica Corbett


Black diamonds, also known as carbonados, are a unique and enigmatic variety of diamonds that have captured the fascination of gem enthusiasts and scientists alike. These stunning gems possess a mysterious allure due to their unconventional formation and distinct physical properties. In this article, we will delve into 18 intriguing facts about black diamonds, exploring their origins, characteristics, cultural significance, and much more. From their striking appearance to their historical significance, black diamonds continue to captivate the imagination and spark curiosity. Join us on a fascinating journey through the captivating world of black diamonds, where science, history, and beauty converge in a mesmerizing display of nature’s wonders.

Key Takeaways:

  • Black diamonds are not actually black, but have a dark grey to black color with a metallic luster, making them unique and intriguing.
  • Black diamonds are the toughest form of natural diamond, used in both industrial applications and increasingly popular in jewelry for their strength and unconventional appearance.
Table of Contents

Black diamonds are not black.

Despite their name, black diamonds are not actually black. They have a unique and intriguing dark color that ranges from dark grey to black, often with a metallic luster.

Black diamonds are also known as carbonados.

The term “carbonado” is derived from the Portuguese word for “burned” or “carbonized.” These diamonds are believed to have originated in space due to their unique chemical composition and structure.

They are the toughest form of natural diamond.

Black diamonds are the toughest form of natural diamond due to their polycrystalline structure, which makes them highly resistant to fracturing and chipping.

Black diamonds are more porous than other diamonds.

Unlike traditional diamonds, black diamonds have a high number of inclusions and fractures, which give them their unique appearance and make them more porous.

They are found in Brazil and Central Africa.

The primary sources of black diamonds are Brazil and the Central African Republic, where they are mined for both industrial and jewelry purposes.

Black diamonds are used in industry.

Due to their toughness and unique properties, black diamonds are used in various industrial applications, including cutting tools and drilling equipment.

They are increasingly popular in jewelry.

Black diamonds have gained popularity in the jewelry industry, adorning engagement rings, earrings, and other pieces due to their striking and unconventional appearance.

Black diamonds are often treated to enhance their color.

Many black diamonds undergo treatments to improve their color and overall appearance, making them more desirable for use in jewelry.

They symbolize strength and power.

Black diamonds are often associated with strength and power, making them a popular choice for individuals seeking to make a bold statement with their jewelry.

Black diamonds have a mysterious origin.

The exact formation process of black diamonds remains a mystery to scientists, adding to their allure and enigmatic nature.

They are believed to have extraterrestrial origins.

Some researchers believe that black diamonds may have originated from an asteroid impact due to their unique composition, adding to their mystique.

Black diamonds are often less expensive than traditional white diamonds.

Due to their unconventional color and higher prevalence of inclusions, black diamonds are typically more affordable than traditional white diamonds.

They are associated with elegance and sophistication.

Despite their dark color, black diamonds are often associated with elegance and sophistication, making them a popular choice for modern jewelry designs.

Black diamonds have a growing presence in the fashion industry.

Designers and fashion enthusiasts are increasingly incorporating black diamonds into their creations, adding a contemporary and edgy touch to their pieces.

They are a symbol of individuality and non-conformity.

Black diamonds are embraced by individuals who seek to express their unique style and non-conformist attitude through their choice of jewelry.

Black diamonds have been featured in famous jewelry pieces.

Black diamonds have graced the designs of renowned jewelry houses, adding a captivating and unconventional element to their iconic creations.

They are shrouded in folklore and legends.

Throughout history, black diamonds have been associated with various myths and legends, further adding to their allure and intrigue.

Black diamonds continue to captivate and inspire jewelry enthusiasts and researchers alike.

The enigmatic nature and unique characteristics of black diamonds ensure that they remain a fascinating subject of study and a coveted choice for jewelry connoisseurs around the world.


Black diamonds are truly fascinating gemstones, shrouded in mystery and allure. Their unique composition and stunning appearance make them a sought-after choice for jewelry enthusiasts and collectors alike. Whether you’re captivated by their enigmatic origins or their striking beauty, black diamonds continue to captivate and inspire. As we delve deeper into the world of black diamonds, we uncover a wealth of knowledge that adds to the allure of these remarkable gems. From their natural occurrence to their symbolism, black diamonds stand as a testament to the beauty and complexity of the natural world. With their timeless elegance and distinctive allure, black diamonds are a captivating choice for anyone seeking a touch of sophistication and intrigue in their jewelry collection.


What gives black diamonds their color?
Black diamonds get their color from numerous dark inclusions, primarily graphite and hematite, which give them their distinctive hue.

Are black diamonds real diamonds?
Yes, black diamonds are real diamonds. They are formed from the same material as traditional white diamonds but have a different crystal structure that results in their unique color.

Do black diamonds have the same value as traditional white diamonds?
Black diamonds are generally less expensive than traditional white diamonds of similar size and quality, but their value has been steadily increasing as their popularity rises.

Can black diamonds be used for engagement rings?
Absolutely! Black diamonds are increasingly popular for engagement rings, offering a unique and unconventional alternative to traditional white diamonds.

Do black diamonds have any symbolic meaning?
Black diamonds are often associated with strength, power, and authority, making them a meaningful choice for those seeking to make a bold statement with their jewelry.

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