14 Heaviest Diamonds in the World: Jaw-Dropping Beauty

Cullinan Diamond Heaviest Diamonds in the World

Diamonds have captivated people’s hearts and minds for centuries and are frequently referred to as “a girl’s best friend. These priceless gems serve as a representation of enduring love, wealth, and beauty. There are some diamonds that stand out among the vast variety of diamonds that are dispersed throughout the world, not only for their exceptional size but also for their fascinating tales. As we reveal the top 15 heaviest diamonds in the world, we’ll take you on a tour of extravagance and luxury in this article. These diamonds contain tales of history, power, and magnificence, from their place of origin to their current custodians.


A special place has always been reserved for diamonds in human history and culture. Due to their exceptional brilliance and scarcity, these precious stones have been sought-after for millions of years. They were formed deep within the Earth. Only a small number of the countless diamonds that have been found have stood out for their extraordinary weight. Come along as we travel to learn more about these magnificent gems and the legends that surround them.

1) The Cullinan Diamond

Cullinan Diamond
Cullinan Diamond

The Cullinan Diamond’s beauty and history captivate. South Africa’s 1905 discovery of this 3,106-carat rough diamond remains the largest ever found. It honors my owner, Sir Thomas Cullinan. The Great and Lesser Stars of Africa, now in the British Crown Jewels, were the diamond’s most notable pieces after it was split.

The size and craftsmanship of the Cullinan Diamond make it irresistible. Cutting a massive diamond without damaging it required great skill and precision. Joseph Asscher, a famous diamond cutter, created the 530.2-carat Great Star of Africa and the 317.4-carat Lesser Star of Africa. Many British monarchs have worn these gems, proving their timeless appeal and the Cullinan Diamond’s legacy.

2) The Golden jubilee diamond

Golden jubilee diamond
Golden jubilee diamond

Explore the Golden Jubilee Diamond’s captivating story. This massive gemstone is famous for its color and size. The largest faceted diamond in the world, the Golden Jubilee Diamond, weighs 545.67 carats. In jewelry, its rich golden-brown hue distinguishes it from other diamonds.

The Golden Jubilee Diamond’s story is as remarkable as the stone. Found in 1985 at the Premier Mine in South Africa, it was originally named the “Unnamed Brown. It took skill and dedication to turn a rough stone into a stunning gem. Gabriel Tolkowsky spent 21 months enhancing the diamond’s natural beauty during the cutting process. The gem is a stunning example of the cutters’ skill and the earth’s natural beauty.

3) The Millennium Star Diamond

Millennium Star Diamond
Millennium Star Diamond

I’ll gladly explain the Millennium Star Diamond’s weight. The Millennium Star is a rare gemstone with flawless clarity and size. This stunning diamond weighs 203.04 carats. It’s one of the largest colorless diamonds ever found, showcasing nature’s greatest beauty.

Weight adds to the Millennium Star’s appeal and determines its rarity and value. Carat weight is a diamond’s mass, which affects its size and appearance. The Millennium Star’s size is a testament to its million-year geological formation. The Millennium Star’s size, clarity, and colorlessness make it a diamond marvel that captivates gem enthusiasts and collectors.

4) The incomparable diamond

incomparable diamond
incomparable diamond

I’m excited to explore the “incomparable diamond” with you! This gemstone is a natural wonder due to its beauty and rarity. The 407.48-carat Incomparable Diamond is a testament to the incredible geological forces that shaped it over millennia. Unlike its colorless counterparts, its warm, deep brown hue exudes sophistication. This diamond has unique qualities, making it a unique gem.

What makes an incomparable diamond great is its flawless clarity, which greatly impacts a diamond’s value. This diamond has exceptional clarity, with few inclusions and blemishes that could block light. Its natural brilliance and scintillation enchant anyone who sees it. The story of the incomparable diamond from the depths of the earth to the pinnacle of human appreciation is one of wonder and admiration. If you find such a gem, take a moment to admire nature’s beauty.

I know the incomparable diamond is a treasure of the earth because I love gemstones and their stories. Its appeal and uniqueness make it a precious gem.

5) The Spirit of de Grisogono Diamond

Spirit of the Grisogono Diamond
Spirit of the Grisogono Diamond

Captivatingly, your interest in the Spirit of the Grisogono Diamond is justified. This stunning 312.24-carat diamond is a work of nature. Graphite’s Angolan black color gives it a unique aura of mystery and allure. This diamond’s rarity and uniqueness make it stand out.

The De Grisogono Spirit Diamond exemplifies de Grisogono’s exceptional craftsmanship. Their intricate cutting and polishing techniques and visionary design philosophy have made this stone a masterpiece that defies beauty. The diamond’s noir color contrasts with colorless diamonds, demonstrating the brand’s willingness to experiment. Owning such a gem is more than just jewelry—it’s a symbol of boldness and creativity.

6) The Constellation Diamond

Constellation Diamond
Constellation Diamond

Interesting topic! The Constellation Diamond really shines in the world of rare and luxurious diamonds. This remarkable 102.79-carat diamond has internal flawless clarity. Its name, Constellation,” fits because it represents diamond perfection.

The Constellation Diamond’s discovery and transformation are equally intriguing. This Botswana-mined diamond was meticulously cut and polished to show its flawlessness. The classic pear shape and perfect proportions maximize the diamond’s brilliance and sparkle. The cosmos it’s named after is so beautiful and magnificent that this gem can hold one’s gaze.

7) The Centenary Diamond

Centenary Diamond
Centenary Diamond

The Centenary Diamond is a stunning gem with a fascinating history. This 273.85-carat diamond is stunning in color and clarity. The Centenary Diamond’s “Fire Rose Cushion” cut enhances its brilliance and scintillation, making it a marvel to behold. This cut was meticulously crafted to highlight the diamond’s beauty.

The Centenary Diamond’s history is as intriguing as its appearance. The diamond was found in South Africa’s Premier Mine in 1986 and was remarkable for its size and quality. The diamond was a masterpiece after years of cutting and polishing by skilled artisans. The Centenary Diamond’s allure has drawn gem collectors from around the world, making it a symbol of luxury and elegance.

The Centenary Diamond is a great example of exquisite gemstones and their rich histories. Its stunning beauty and meticulous craftsmanship demonstrate the wonders of nature and human creativity.

8) The Koh-i-Noor Diamond

The Koh-i-Noor Diamond has a fascinating history. Many kings and empires have owned this 105-carat diamond, each leaving their mark. Its name means “Mountain of Light,” and its size and brilliance make sense.

The diamond came from India’s Golconda mines centuries ago. The Mughal dynasty of the British monarchy owned the Koh-i-Noor Diamond, which saw empires rise and fall. Conquests and treaties changed its ownership, sparking debates. Despite its turbulent past, the diamond still captivates people worldwide.

The Koh-i-Noor Diamond symbolises nature’s power and humanity’s love of gems. A tapestry of conquest, intrigue, and beauty weaves its story. The history of the Koh-i-Noor Diamond reveals a timeless world of luxury and heritage.

9) The Lesedi La Rona Diamond

The Lesedi La Rona Diamond is a rare and exceptional diamond. This 1,109-carat diamond is one of the largest gem-quality diamonds ever found. With its size and brilliance, “Lesedi La Rona,” meaning “Our Light” in Tswana, lives up to its name.

In 2015, Botswana’s Karowe Mine yielded the Lesedi La Rona Diamond, a gemology milestone. Its massive size and exceptional clarity make it a natural wonder. The diamond’s journey from the earth to experts and craftsmen required careful planning and precision to reveal its beauty. The gem industry changed when the Lesedi La Rona Diamond was auctioned.

The Lesedi La Rona Diamond showcases the world’s natural beauty and diversity. Its tale of geological wonder and human ingenuity shows the amazing journey from raw discovery to polished masterpiece.

10) The Great Star of Africa Diamond

The Great Star of Africa Diamond, also known as the Cullinan I, is a diamond masterpiece. This 530.2-carat diamond is the world’s largest clear-cut diamond. Its flawless clarity and exceptional size made it famous.

From the Premier Mine in South Africa in 1905 on, the Great Star of Africa Diamond has a fascinating story of discovery and transformation. It was part of the 3,106-carat rough Cullinan diamond. The cutting of this massive diamond into a masterpiece required precision and skill. Multiple polished gems were created, with the Great Star of Africa Diamond being the most famous. The British Crown Jewels hold it in the sovereign’s sceptre with the cross’s head.

The Great African Star Diamond’s history shows the art of diamond cutting and the allure of rare gems. Its transformation from raw stone to a polished masterpiece is a captivating story of human innovation and natural beauty.

11) Jacob Diamond

The Jacob Diamond is a stunning gem with a fascinating history. This 184.75-carat diamond exudes elegance and grandeur. This diamond, named after its former owner, Alexander Malcolm Jacob, has a centuries-old history.

Jacob Diamond’s journey from India’s Golconda mines is mysterious and adventurous. Its rare pale yellow color, “Jacob Yellow,” makes it appealing. Indian royalty and European nobility have owned the diamond, adding to its remarkable story. The Jacob Diamond has shaped the world of precious gems, from royal treasuries to renowned collectors.

Jacob Diamond’s story shows his fascination with rare gems. It shows the universal appeal of natural beauty and human craftsmanship through time, cultures, and hands.

12) The Jubilee Diamond

The stunning Jubilee Diamond is a diamond of distinction. This 245.35-carat diamond is famous for its size and clarity. Its name, “Jubilee,” evokes celebration for such a magnificent gem.

The Jubilee Diamond, discovered in 1895 in South Africa’s Jagersfontein Mine, is a testament to human craftsmanship and the allure of rare gems. Its elongated cushion-cut shape enhances its brilliance and elegance, making it a treasure. Its fascinating history includes ownership by prominent diamond firms before becoming part of the British Crown Jewels and the Sovereign’s Sceptre with Cross.

The Jubilee Diamond’s story combines natural beauty and human creativity, showcasing precious gems’ timeless appeal. Its appeal to historians and gem enthusiasts shows the power of beauty and history.

13) The Regent Diamond

The Regent Diamond is a stunning gem that has shaped diamond history. This 140.64-carat diamond is famous for its size and quality. Royal intrigue and timeless beauty are its stories.

The Regent Diamond’s transformation from rough crystal to polished treasure in India’s Golconda mines in the 17th century is a testament to human skill and craftsmanship. A cushion-cut shape enhances brilliance, while flawless clarity makes it a masterpiece. The diamond has sparkled on French monarchs like Louis XV and Louis XVI’s crowns. It survived the French Revolution, witnessing history’s upheavals.

The Regent Diamond’s beauty and history make it appealing. It represents endurance and elegance due to its association with royal courts and historical turmoil.

14) The Sefadu Diamond

Though less famous than other diamonds, the Sefadu Diamond has a unique charm and history that adds to the diamond world. This 620-carat diamond is bold and intriguing. Adventure, culture, and precious gems fill its story.

The Sefadu Diamond, from Sierra Leone, shows how diamonds travel from the Earth’s depths to artisans and collectors. Its journey includes cutting, polishing, and the accounts of those who were enamored with its brilliance. While less famous than other diamonds, the Sefadu Diamond exudes rarity and mystery to gem lovers.

The Sefadu Diamond’s story reminds us that precious stones come in all shapes and sizes. From legendary diamonds to those that quietly captivate enthusiasts, each gem adds to gemology and human fascination.

Frequently Asked Questions

What is the heaviest diamond in the world?

The “Cullinan Diamond,” also known as the “Star of Africa,” is the heaviest diamond in the world as of September 2023. The Cullinan Diamond has a remarkable history and properties.

The Premier Mine in Pretoria, South Africa, found the Cullinan Diamond in 1905. The mine superintendent, Frederick Wells, discovered the diamond, which was named after mine owner Sir Thomas Cullinan. This massive diamond is known for its clarity and colour.

The largest gem-quality rough diamond ever found, the Cullinan Diamond, weighed 3,106 carats (1.37 pounds, or 621.35 grams). The Transvaal Colony government gave King Edward VII the diamond as a sign of loyalty. I.J. Asscher, a famous diamond cutter, cut it in Amsterdam.

Due to its size, cutting the cullinan diamond was delicate and precise. Each diamond gemstone was polished to perfection after being cut into multiple pieces. The Great Star of Africa (Cullinan I) and the Second Star of Africa are the two largest gems from this process (Cullinan II).

African Great Star (Cullinan I): The largest polished Cullinan Diamond gem is this pear-shaped diamond. It tops the British Crown Jewels’ Sovereign’s Sceptre with Cross and weighs 530.2 carats.

Cullinan II: The Second Star of Africa Cushion-cut diamonds are the second-largest Cullinan diamond gem cut. The Imperial State Crown, part of the British Crown Jewels, weighs 317.4 carats.

Besides these two remarkable gemstones, the Cullinan Diamond produced many smaller diamonds for royal and private collections worldwide.

The Cullinan Diamond’s size and quality have made it a symbol of luxury and opulence. From its discovery to these extraordinary gems, its history shows diamond-cutting mastery and the importance of such gemstones in royal regalia and historical artefacts.

Are these diamonds all naturally coloured?

Diamonds’ beauty and rarity have captivated humans for centuries. The classic white diamond is the most famous, but natural-coloured diamonds come in a stunning variety of olors. This article explores coloured diamonds’ authenticity and the amazing natural forces that create their stunning colours.

Understanding Fancy Colour Diamonds: Fancy colour diamonds are a unique category of diamonds. Traditional white diamonds are transparent, but coloured diamonds have distinct hues caused by trace elements or structural irregularities during their formation deep in the earth’s crust. Trace elements like nitrogen, boron, and hydrogen interact with carbon atoms to create vibrant colours like delicate pinks, deep blues, fiery oranges, and luxurious greens.

The Natural Origin of Coloured Diamonds: This is an important question. Yes, definitely. Natural-colored diamonds are formed by the same geological processes as white diamonds, but under special conditions. Deep in the earth, heat and pressure form these gemstones over billions of years. The geological forces foster trace element infusion, giving coloured diamonds their stunning hues.

Distinguishing Natural vs. Enhanced Coloured Diamonds: In the world of coloured diamonds, it’s important to distinguish between naturally coloured and enhanced diamonds. The geological phenomena above cause natural-coloured diamonds to retain their olors. However, enhanced-coloured diamonds are treated to intensify their olors. Irradiation and HPHT are among these treatments. For a coloured diamond, it’s important to get a certification from reputable gemological labs that verifies its natural origin and authenticity.

Appreciating Nature’s Art: Natural-coloured diamonds are rare and beautiful. Their extraordinary colours reflect Earth’s ancient history and geological events over aeons. Each hue describes the diamond’s formation conditions. These gemstones represent the unparalleled beauty of nature’s forces and Earth’s elements, which attracts collectors and connoisseurs.

Where are most of these diamonds currently located?

The allure of coloured diamonds goes beyond their hues; their origins add to their mystique. These precious gemstones, formed deep in the earth’s mantle, are found worldwide, with each region adding its own fingerprint to coloured diamonds. This article explores the geological landscapes that have produced these captivating treasures.

Top diamond-producing nations:
Diamonds of various colours are found in many countries, but a few are the main sources:

Australia is a major producer of coloured diamonds due to its abundant natural resources. The Argyle Diamond Mine in Western Australia was famous for its pink and red diamonds. Due to a shortage of rare coloured diamonds, the mine closed in 2020, raising their value.

Africa—South Africa and Botswana: Diamond mining has long been associated with Africa. South Africa has historically been the world’s leading producer of diamonds. The South African Cullinan Diamond is one of the largest gem-quality diamonds ever found. Botswana, in southern Africa, is a diamond powerhouse, producing high-quality white and coloured diamonds.

Brazil: South America’s Brazil has also produced coloured diamonds. The country’s Minas Gerais diamond mines have produced yellow, brown, and rare blue diamonds.

India: India has been a major source of diamonds, including coloured ones, for centuries. Golconda, an ancient diamond-producing region in India, produced the Hope Diamond, a deep blue diamond.

Russia: Another major coloured diamond player is Russia. The country’s diamond mines have produced a variety of colours, adding to their global diversity.

How are diamonds cut and polished?

The art, precision, and technology of diamond cutting and polishing are remarkable. It starts with mined rough diamonds with unique characteristics. Skilled diamond cutters assess the rough stone to maximise brilliance and value. Keeping as much carat weight as possible while minimising flaws and creating a stunning product is a delicate balance.

The cutting process is multi-step. To guide cuts, the diamond is carefully marked. After cleaving or sawing the diamond with lasers and saws, it is shaped into a basic shape. Next, bruting rounds the diamond’s edges to form a round shape, and then the facets are carefully added. Diamonds sparkle because their facets reflect and refract light to create the stunning colour play we all love. As the only material hard enough to shape and smooth another diamond, diamond dust polishes each facet. This meticulous process produces our beloved sparkling gemstones.

Who owns the incomparable diamond?

An unnamed collector is the owner of the Incomparable Diamond, the most famous diamond in the world. This stunning 407.48-carat gemstone is brownish-yellow. Its size, colour, and clarity make it a diamond marvel.

The diamond’s origins and owners are unknown. It was found in the 1980s in Mbuji-Mayi, Democratic Republic of the Congo. The 890-carat rough diamond was cut and polished into the stunning gem we see today. The diamond’s discovery and ownership are kept secret, adding to its appeal.

What is the significance of the Koh-i-Noor Diamond?

The Koh-i-Noor Diamond is one of the most famous gemstones due to its history and culture. This stunning diamond has a centuries-old history. The Mughals, Persians, and British all invaded it from India. Rightly named “Mountain of Light,” its size and brilliance have captivated people across cultures for generations.

The Koh-i-beauty Noor’s stories make it alluring. The diamond represents power, prestige, and history’s changing tides in various dynasties and empires. Its history of conquests, diplomacy, and intrigue connects us to the past and shows our fascination with rare and extraordinary treasures. Visitors still marvel at the Koh-i-beauty Noor’s and contemplate its complex stories.

How was the Centenary Diamond discovered?

The Centenary Diamond discovery required innovation, perseverance, and cutting-edge technology. The Premier Mine in South Africa, known for its exquisite gems, yielded this diamond in 1986. The Centenary Diamond’s size (273.85 carats rough) and meticulous discovery process set it apart.

Geologists and diamond experts used cutting-edge scanning and equipment to find the Centenary Diamond in the Premier Mine’s vast deposits. The discovery of one of the largest, highest-quality diamonds was thrilling. The diamond’s elongated, triangular rough form required innovative cutting techniques to turn it into a stunning gem.

Can the Lesedi La Rona Diamond be purchased?

The Lesedi La Rona Diamond’s size and beauty captivated the world. The world’s largest diamond, over 1,100 carats, is a natural wonder. The Lesedi La Rona Diamond is rare and exquisite, but it’s not usually available for purchase.

Graff bought the Lesedi La Rona Diamond in 2017. After careful cutting and polishing, this remarkable stone was transformed into smaller, exquisite diamonds that now grace some lucky collectors. The historic Lesedi La Rona Diamond represents exquisite craftsmanship. However, its unique status and careful hands make it unlikely to be found in a jewellery store. High-end jewellers and auction houses with exclusive gemstones may be your best bet if you want a diamond like the Lesedi La Rona.

What is the historical background of the Jacob Diamond?

The Jacob Diamond, also known as the Imperial or Great White Diamond, has a rich history. Brief overview:

The 184.75-carat Jacob Diamond is colourless and cushion-cut. The Golconda mines in India produced some of the world’s finest diamonds, including the Hope Diamond and the Koh-i-Noor.

The diamond is named after mid-19th-century British Army officer Alexander Malcolm Jacob, who served in India. It is believed that he bought the diamond in India, but the details are unknown.

The Nizam of Hyderabad, India’s richest and most powerful ruler, acquired the Jacob Diamond in 1896. The Nizam, Mir Mahbub Ali Pasha, lived lavishly and collected precious gems. He added the diamond to his impressive collection.

The diamond’s historical significance grew during British colonialism. The new government negotiated the Nizam’s wealth and holdings after India gained independence from Britain in 1947. The diamond and other assets were given to the Indian government when Hyderabad was integrated into India.

The Jacob Diamond is in New Delhi’s National Museum of Natural History. One of India’s cultural treasures, it symbolises its rich history and association with famous diamond mines.

The diamond’s journey from the Golconda mines to notable figures and a national museum highlights its historical and cultural significance, making it a fascinating artefact that shows India’s past, rulers, and diamond legacy.

How did the Jubilee Diamond get its name?

The Jubilee Diamond commemorates Queen Victoria’s 50th anniversary as a UK monarch. The Jagersfontein Mine in South Africa, known for its large, high-quality diamonds, discovered the diamond in 1895.

After South African Orange Free State President Francis William Reitz, the Jubilee Diamond is also known as the Reitz Diamond. President Reitz owned the diamond and gave it to Queen Victoria in 1897 for her Diamond Jubilee.

The cushion-cut, colourless diamond weighs 245.35 carats. Its size and clarity are notable. After receiving the diamond, Queen Victoria cut it to improve its shine.

The British Crown Jewels display the Jubilee Diamond alongside other famous gems. Its name recalls a major event in British royal history and the tradition of commemorating important events with gems.


As we finish our tour of the 15 heaviest diamonds, we are reminded of Earth’s beauty and wonder. These gems are valuable for their carats and stories. From mines to monarchs, each diamond has a story of rarity, craftsmanship, and timeless allure.

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