Where Do Diamonds Come From?

Table of contents

• Introduction – Where do diamonds come from
• Where Do Diamonds Come From? 100 Examples
• Where Do Most Diamonds Come From? 10 Examples
• Where Do Black Diamonds Come From? 10 Examples
• Where Do Pink Diamonds Come From? 10 Examples
• Where Do Blue Diamonds Come From? 10 Examples
• Where Do Red Diamonds Come From? 10 Examples
• Where Do Yellow Diamonds Come From? 10 Examples
• Where Do Green Diamonds Come From? 10 Examples
• Where Do Moissanite Gemstones Come From? 10 Examples
• Where Do Chocolate Diamonds Come From? 10 Examples
• Where Do Lab Grown Diamonds Come From? 10 Examples
• Where Do the Best Diamonds in the World Come From? 10 Examples
• Conclusion – Saint Diamonds Create Lab-Grown Diamonds with Eternal Value While Being a Symbol of Eternal Love and Remembrance

 

Introduction – Where do diamonds come from

Imagine slipping a sparkling diamond onto your finger, feeling its cool weight – a symbol of promises kept, losses honored, or dreams shared. But have you ever paused, mid-gaze, and wondered: Where did this tiny universe of light truly begin? Contributors crafting stories around these gems, get it. Diamonds aren’t just rocks; they’re emotional anchors, carrying the weight of our deepest connections. Yet their origins? A mix of ancient fire, cosmic chance, and human ingenuity that can leave you breathless.

In this guide, we’ll uncover where diamonds come from with clear, heartfelt depth – no jargon, just the facts that matter. Whether you’re dreaming of a proposal or memorializing a loved one, understanding these stories builds trust in your choice. Let’s journey together, and if a gem calls to you, explore our collections below.

The Timeless Allure of Diamonds

Diamonds form when pure carbon crystallizes under extreme heat (900 – 1,300°C) and pressure (45 – 60 kilobars) about 150 – 200 km below Earth’s surface, over 1 – 3 billion years ago. Volcanic eruptions then rocket them to the surface in kimberlite pipes. It’s like nature’s pressure cooker, turning everyday carbon into something unbreakable – much like how love forges us.

Why Understanding Origins Matters

Knowing where diamonds come from isn’t just trivia; it’s empathy in action. It honors the Earth’s story and eases hesitations around ethics or rarity. Ready to map it out?

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Where Do Diamonds Come From? 100 Examples

Diamonds whisper of forgotten volcanoes and hidden craters, but pinpointing “where” means looking at the mines and regions that unearth them. Globally, over 100 active or historic sites produce these treasures, from vast open pits to riverbeds. We’ll break it down: first, the science, then a snapshot of key spots representing the full 100+.

How Diamonds Form Deep in the Earth

Most natural diamonds hail from the lithospheric mantle, carried up by magma. Rare ones? Even deeper, in the sublithospheric layers. Relate it to baking: Carbon “dough” bakes slow under hellish conditions, emerging flawless.

Top Global Mining Hotspots

Here are 100 specific examples of where diamonds come from (mines, deposits, and significant diamond-producing locations around the world). These include both current and historically important sources:

1. Argyle Mine (Australia)  

2. Diavik Mine (Canada)  

3. Ekati Mine (Canada)  

4. Snap Lake Mine (Canada)  

5. Gahcho Kué Mine (Canada)  

6. Victor Mine (Canada)  

7. Renard Mine (Canada)  

8. Orapa Mine (Botswana)  

9. Jwaneng Mine (Botswana)  

10. Letlhakane Mine (Botswana)  

11. Karowe Mine (Botswana)  

12. Lulo Mine (Angola)  

13. Catoca Mine (Angola)  

14. Lucapa Mine (Angola)  

15. Venetia Mine (South Africa)  

16. Cullinan Mine (South Africa)  

17. Finsch Mine (South Africa)  

18. Kimberley Mines (South Africa)  

19. Voorspoed Mine (South Africa)  

20. Mirny Mine (Russia)  

21. Udachnaya Pipe (Russia)  

22. Jubilee (Yubileynaya) Mine (Russia)  

23. Aikhal Mine (Russia)  

24. Nyurbinsky Mine (Russia)  

25. Internationalnaya Mine (Russia)  

26. Botuobinskaya Mine (Russia)  

27. Alrosa Arkhangelsk (Russia)  

28. Murowa Mine (Zimbabwe)  

29. Marange Diamond Fields (Zimbabwe)  

30. Williamson Mine (Tanzania)  

31. Mwadui Mine (Tanzania)  

32. Merlin Mine (Australia)  –  now closed  

33. Ellendale Mine (Australia)  –  closed  

34. Kelsey Lake Mine (USA, Colorado)  

35. Crater of Diamonds State Park (USA, Arkansas)  

36. Jericho Mine (Canada)  –  closed  

37. Mothae Mine (Lesotho)  

38. Letseng Mine (Lesotho)  

39. Liqhobong Mine (Lesotho)  

40. Kao Mine (Lesotho)  

41. Ghaghoo Mine (Botswana)  –  closed  

42. Damtshaa Mine (Botswana)  

43. Liqhobong Mine (Lesotho)  

44. Firestone Mine (Lesotho)  –  now Letseng  

45. Premier Mine (now Cullinan, South Africa)  

46. Koffiefontein Mine (South Africa)  

47. De Beers Consolidated Mines (historical, South Africa)  

48. Bultfontein Mine (South Africa)  

49. Dutoitspan Mine (South Africa)  

50. Wesselton Mine (South Africa)  

51. Jagersfontein Mine (South Africa)  

52. KEM JV (South Africa)  

53. Helam Mine (South Africa)  

54. Lace Mine (South Africa)  

55. Star of the South Mine (Brazil)  –  historical  

56. Abaeté River (Brazil)  

57. Diamantina Region (Brazil)  

58. Bagagem River (Brazil)  

59. Rio Abaeté Alluvial Deposits (Brazil)  

60. Canastra Range (Brazil)  

61. Golconda Mines (India)  –  historical  

62. Kollur Mine (India)  –  historical  

63. Panna Mines (India)  

64. Majhgawan Mine (India)  

65. Beherten Mine (India)  –  historical  

66. Sambalpur Deposits (India)  

67. Mahanadi River Alluvials (India)  

68. Krishna River Alluvials (India)  

69. Koel River Deposits (India)  

70. Banganapalle Mines (India)  

71. Wajrakarur Kimberlite Field (India)  

72. Mbuyi-Mayi (DRC)  

73. Tshikapa Region (DRC)  

74. Kasai River Alluvials (DRC)  

75. Mbuji-Mayi Kimberlite Pipes (DRC)  

76. Camafuca-Camazamba (Angola)  

77. Chitamba-Lulo (Angola)  

78. Luo Mine (Angola)  

79. Fucauma Mine (Angola)  

80. Calonda Mine (Angola)  

81. Grib Mine (Russia)  

82. Lomonosov Mine (Russia)  

83. Karpinskogo-1 Pipe (Russia)  

84. Zarnitsa Pipe (Russia)  

85. Dalnaya Pipe (Russia)  

86. Kholomolokh (Russia)  

87. Debswana Joint Venture Mines (Botswana)  

88. Debswana Damtshaa (Botswana)  

89. Lucara Karowe AK6 Pipe (Botswana)  

90. Rio Tinto Argyle AK1 Pipe (Australia)  

91. Mountain Province Gahcho Kué (Canada)  

92. Dominion Diamond Ekati (Canada)  

93. Stornoway Renard (Canada)  

94. Peregrine Chidliak (Canada, Baffin Island)  

95. De Beers Gahcho Kué Joint Venture (Canada)  

96. Karelian Craton Deposits (Finland/Russia)  

97. Guaniamo Region (Venezuela)  

98. Birim River Alluvials (Ghana)  

99. Akwatia Mine (Ghana)  

100. Koidu Mine (Sierra Leone)

These include kimberlite pipes, lamproite pipes, alluvial deposits, and historical mines from every major diamond-producing country. Some are now closed or depleted, but all have contributed real diamonds to the world’s supply.

Hungry for rarities? Check where colors hide next.

 

Where Do Most Diamonds Come From? 10 Examples

Volume kings? Central/Southern Africa (50%+), but Russia edges out. These 10 mega-mines pump out millions of carats yearly – think everyday brilliance funding communities, though mining’s toll weighs heavy. We feel that tension; ethical sourcing eases it.

1. Jwaneng (Botswana): “Place of small stones” – world’s richest, 10M+ carats/year.
2. Orapa (Botswana): Vast open pit, 11M carats.
3. Aikhal (Russia): Yakutia’s giant, 5M+ carats.
4. Udachny (Russia): “Lucky,” deep underground beast.
5. Catoca (Angola): Alluvial powerhouse.
6. Diavik (Canada): Frozen lake mine, ethical fave.
7. Venetia (South Africa): Shifting to underground.
8. Mir (Russia): Crater-like wonder.
9. Cullinan (South Africa): Birthplace of the world’s largest gem.
10. Nyurbinsk (Russia): Rising star.

Short paragraphs keep it real: These aren’t just general locations; they’re lifelines shaped by geology and grit.

 

Where Do Black Diamonds Come From? 10 Examples

Here are 10 fascinating examples and sources of natural black diamonds (also known as Carbonado diamonds), which have very different origins from typical clear diamonds:

1. Outer Space Origin (Most Widely Accepted Theory) Scientists believe many black diamonds formed 2.6 – 3.8 billion years ago in space, possibly in supernova explosions or through cosmic radiation bombarding carbon-rich asteroids. They were then delivered to Earth via asteroid impacts.
2. Brazil (Historical Primary Source) The first black diamonds were discovered in 1840s Brazil, especially in the state of Bahia and Minas Gerais. They were originally called “carbonado” (Portuguese for “burnt” or “carbonized”).
3. Central African Republic (Modern Main Source) Today, the vast majority of natural black diamonds come from alluvial deposits in the Central African Republic (especially near the town of Bria) and the Democratic Republic of Congo.
4. Asteroid Impact Delivery A leading hypothesis suggests black diamonds arrived on Earth when a huge asteroid (possibly the size of Mount Everest) impacted about 2 – 3 billion years ago, scattering them across what is now Brazil and Central Africa.
5. Hydrogen-Rich Deep Mantle Environment Some researchers propose black diamonds formed extremely deep in the Earth’s mantle (possibly 400 – 600 km deep) in hydrogen-rich conditions, unlike regular diamonds that form in oxygen-rich environments.
6. Subduction of Organic Carbon Another theory: ancient oceanic crust containing carbon from living organisms was subducted deep into the mantle, where extreme pressure and reducing conditions turned it into polycrystalline black diamond.
7. Kamchatka Peninsula, Russia Rare black diamonds have been found in volcanic kimberlite pipes in Russia’s far east (Avacha Bay area), showing they can occasionally come up through traditional diamond pipes.
8. Venezuela Small quantities of carbonado have been reported in alluvial deposits in Venezuela, often linked to the same ancient asteroid scattering event as Brazil.
9. Radiation-Induced Color in Space The opaque black color and porous structure may result from intense natural radiation (from uranium/thorium or cosmic rays) over billions of years while the diamonds floated in space.
10. Not Formed in Kimberlite Pipes (Unlike Clear Diamonds) Almost all known black diamonds are found only in alluvial (river/gravel) deposits, never in primary kimberlite or lamproite pipes  –  one of the biggest mysteries that supports the extraterrestrial theory.

Bonus fact: Because of their toughness (polycrystalline structure) and mysterious origin, black diamonds were once used industrially for drill bits before synthetic versions took over.

So in short  –  while regular diamonds come “from the Earth’s mantle,” most evidence now points to natural black diamonds literally coming from outer space! 🌠

 

Where Do Pink Diamonds Come From? 10 Examples

Here are 10 fascinating examples and key facts about where pink diamonds come from, focusing on the most famous sources and mines that produce these extremely rare colored diamonds:

1. Argyle Mine, Western Australia  –  The undisputed king of pink diamonds. The now-closed Rio Tinto Argyle Mine produced over 90% of the world’s pink, red, and violet diamonds for decades. It’s the primary reason pink diamonds are so rare today.
2. Argyle Pink Diamonds Tender  –  Not a mine, but the annual invitation-only sale of the rarest Argyle stones (called “Heroes”). Stones like the 12.76 ct Argyle Pink Jubilee and the 59.60 ct Pink Star (later cut into a smaller stone) originated here.
3. Kimberley Region, Australia  –  The broader region in which the Argyle Mine is located. The pink diamonds formed in the ancient Argyle lamproite pipe, a rare volcanic rock type different from typical kimberlite pipes.
4. Ellendale Mine, Western Australia  –  Once the second-most important source of fancy yellows and some fancy pinks/oranges. It produced a small but notable number of pink diamonds before closing in 2015.
5. Williamson Mine (Mwadui), Tanzania  –  Very occasionally yields pink diamonds. One famous example is the 23.60 ct Williamson Pink Star, a pink diamond given to Queen Elizabeth II as a wedding gift in 1947.
6. Golconda, India (Historical)  –  The ancient alluvial deposits of the Golconda region produced some of the most legendary pink diamonds in history, including the Darya-i-Nur (possibly 182 ct) and the Noor-ul-Ain in the Iranian Crown Jewels.
7. Brazil (Minas Gerais)  –  In the 18th – 19th centuries, Brazil was a major source of diamonds, including rare pinks. The 17.69 ct Agra Pink is believed to have come from Brazilian alluvial deposits.
8. South Africa (Cullinan/Premier Mine)  –  Extremely rare, but the mine has produced a handful of important pinks, such as the 26.56 ct De Beers Millennium Star (actually bluish-white) and occasional vivid pinks sold at auction.
9. Canada (Diavik & Ekati Mines, Northwest Territories)  –  Canadian mines very rarely produce pink diamonds, but when they do they can be spectacular. A 2.26 ct vivid pink from Diavik sold for over $4 million in 2022.
10. Lesotho (Letšeng Mine)  –  Famous for large white diamonds, but has also produced a few exceptional pinks, including the 40+ ct rough that yielded the 8.28 ct “Pink Legacy” sold for $50 million in 2018.

Quick bonus facts:

• Almost all intense pink diamonds owe their color to intense plastic deformation and graining in the crystal lattice during their journey to the surface (not impurities like boron in blue diamonds).
• After the Argyle Mine closed in 2020, the supply of natural pink diamonds dropped by ~90%, causing prices of top-quality pinks to skyrocket.

So in short: ~90 – 95% of all pink diamonds that have ever reached the market in the last 50 years came from the Argyle Mine in Australia. Everything else is exceptionally rare.

 

Where Do Blue Diamonds Come From? 10 Examples

Here are 10 fascinating examples and facts about where blue diamonds come from, focusing on their rare geological origins:

1. Earth’s Mantle (Over 400 Miles Deep) Blue diamonds form in the Earth’s lower mantle, at depths greater than 410 miles (660 km), far deeper than most diamonds (which form at ~100 – 150 miles deep).
2. Boron Impurities The blue color is caused by trace amounts of boron atoms trapped in the diamond’s carbon crystal structure. Boron absorbs red and yellow light, making the diamond appear blue.
3. Subduction Zones Scientists believe the boron comes from ancient seafloor (rich in boron from ocean water) that was subducted deep into the mantle billions of years ago via plate tectonics.
4. Cullinan Mine, South Africa (Premier Mine) The most famous source of blue diamonds. This mine has produced nearly all historically significant blue diamonds, including:
   • The Hope Diamond
   • The Blue Heart Diamond
   • The Oppenheimer Blue
   • The Cullinan Dream
5. The Hope Diamond Originally mined in India (possibly the Kollur Mine in Golconda), but most large blue diamonds today come from South Africa’s Cullinan Mine.
6. Golconda, India (Historical Source) Before South Africa, the ancient Golconda region in India was the primary source of blue diamonds in the 17th – 18th centuries (e.g., the Hope and Tavernier Blue).
7. Very Rare in Nature Blue diamonds make up only about 0.02% of all mined diamonds  –  far rarer than pink or yellow diamonds.
8. Type IIb Diamonds Blue diamonds are classified as Type IIb  –  a rare category (less than 0.1% of diamonds) that conducts electricity due to boron.
9. No Kimberlite Connection for Most Blues Unlike typical diamonds carried by kimberlite pipes, many blue diamonds may have been transported by ultra-deep volcanic processes or even super-deep diamonds pushed up rapidly.
10. Recent Discoveries in the Lower Mantle Some blue diamonds contain mineral inclusions (like bridgmanite) that only form at extreme pressures in the lower mantle, proving they originated deeper than any other gem diamond.

Bonus famous blue diamonds from the Cullinan Mine:

• The Centenary Blue
• The Heart of Eternity
• The Transvaal Blue
• The Wittelsbach-Graff (likely also from India, later recut)

In short: True natural blue diamonds almost exclusively come from extreme depths in the Earth’s mantle, with boron from ancient oceans  –  and nearly all the(record-breaking ones have come from one mine in South Africa).

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Where Do Red Diamonds Come From? 10 Examples

Here are 10 fascinating facts and examples about where red diamonds come from:

1. Almost all red diamonds come from the Argyle Mine in Western Australia. This single mine has produced over 90% of the world’s red diamonds throughout history.
2. The Argyle Mine (operated from 1983 – 2020) was the primary and almost exclusive source of pink, red, and violet diamonds due to unique geological conditions.
3. Red diamonds are caused by plastic deformation in the crystal lattice as the diamond travels to the surface, creating graining that selectively transmits red light  –  not impurities like most colored diamonds.
4. The Moussaieff Red (5.11 carats, largest known red diamond) originated from the Argyle Mine, though it was likely found in the 1990s as a rough stone under 14 carats.
5. The Hancock Red (0.95 carats, sold for $880,000 in 1987) was originally purchased as a “garnet” by a Montana collector  –  it too came from the Argyle region.
6. Only a handful of pure red diamonds exist  –  the Gemological Institute of America (GIA) has graded fewer than 30 truly “Fancy Red” diamonds ever, nearly all from Argyle.
7. Very rare secondary sources: A few tiny red diamonds have reportedly come from alluvial deposits in Brazil (e.g., near Diamantina) and one or two from India and Africa, but none match Argyle’s intensity or size.
8. Argyle’s lamproite pipe  –  unlike classic kimberlite pipes that produce most diamonds, Argyle’s volcanic host rock subjected diamonds to extreme shear stress, creating the red color through structural deformation.
9. No new significant supply  –  Since the Argyle Mine closed in November 2020, no major source of red diamonds has been discovered, making existing stones even rarer.
10. The largest red diamond ever offered at auction  –  the 1.56-carat Argyle Everglow (sold for $6.3 million in 2017)  –  was also from the Argyle Mine.

In short: if you own or see a red diamond today, it almost certainly came from the now-closed Argyle Mine in Australia  –  the only place on Earth that consistently produced them in any meaningful quantity.

 

Where Do Yellow Diamonds Come From? 10 Examples

Here are 10 fascinating examples and sources of yellow diamonds from around the world, along with what makes them famous:

1. **Cullinan Mine (South Africa)**  –  Formerly known as the Premier Mine, this is the most famous source of yellow diamonds. It produced the Cullinan Diamond (the largest gem-quality rough diamond ever found), but it has also yielded many iconic yellows, including the famous **Tiffany Yellow Diamond** (128.54 carats).

2. **Ellendale Mine (Western Australia)**  –  Once the world’s leading producer of fancy yellow diamonds, especially intense and vivid yellows. The mine was renowned for producing a high percentage (up to 50% in some years) of yellow diamonds, including the rare **Ellendale Fancy Yellow** category.

3. **Argyle Mine (Western Australia)**  –  Although best known for pink diamonds, Argyle also produced a small number of intense yellow diamonds. It closed in 2020, making its yellows increasingly rare.

4. **Kimberley Mines (South Africa)**  –  The historic diamond fields of Kimberley, including the famous Big Hole, have produced yellow diamonds since the 1870s, including some of the earliest recorded fancy yellows.

5. **Victor Mine (Ontario, Canada)**  –  One of the few diamond mines in North America, it produced beautiful fancy yellow diamonds before closing in 2019.

6. **Lulo Mine (Angola)**  –  A newer alluvial mine that has yielded some exceptionally large and clean fancy yellow diamonds in recent years.

7. **Lesotho Mines (Letšeng & Liqhobong, Lesotho)**  –  High-altitude mines in Lesotho regularly produce large, high-quality yellow diamonds, including some over 100 carats.

8. **Arkhangelsk Region (Russia)**  –  The Lomonosov and Grib mines in northern Russia produce a steady supply of fancy yellow diamonds, often with strong saturation.

9. **Diavik Mine (Northwest Territories, Canada)**  –  Known primarily for white diamonds, Diavik has also produced vivid yellow diamonds, including some marketed as “Canadian Canary” diamonds.

10. **Alluvial Deposits in Brazil & Sierra Leone**  –  While not from primary kimberlite pipes, river and secondary deposits in these countries have historically produced bright, saturated yellow diamonds (often called “Canary” diamonds in the trade).

Bonus note: The vast majority of yellow diamonds get their color from trace amounts of nitrogen in their crystal structure (Type Ib), and only about 1 in 10,000 diamonds has a natural yellow hue strong enough to be classified as “fancy.” The most intense shades (Fancy Vivid and Fancy Intense Yellow) almost exclusively come from the sources above – especially South Africa and Australia.💎

 

Where Do Green Diamonds Come From? 10 Examples

Here are 10 fascinating examples and sources of natural green diamonds, all of which get their color primarily from radiation exposure over millions of years:

1. **Golconda, India (Historical)**  –  Ancient mines like Kollur and Parteal produced some of the world’s most famous green diamonds (e.g., the Dresden Green, 41 ct). The green color comes from natural radiation in the surrounding rock.

2. **Dresden Green Diamond (Germany)**  –  The most famous green diamond (40.70 ct), mined in India’s Golconda region in the 18th century. Its apple-green hue is due to natural irradiation.

3. **Ocean Dream Diamond (23.5 ct)**  –  Currently the largest known vivid green-blue diamond, reportedly from Central Africa. Its color is caused by radiation, not impurities like boron.

4. **Aurora Green (5.03 ct)**  –  A vivid green rectangular-cut diamond from an unknown African mine, sold for a record $16.8 million in 2016. Pure radiation-induced color.

5. **Grandidierite Radiation Zones, Madagascar**  –  While not a diamond mine, nearby radioactive minerals expose rough diamonds in some alluvial deposits, creating faint green skins.

6. **Alluvial Deposits in Guyana & Venezuela**  –  Small fancy green diamonds are occasionally found in river gravels, colored by natural alpha radiation from surrounding uranium/thorium-bearing rocks.

7. **Copeton & Bingara, Australia**  –  Australian alluvial diamond fields are known for producing pale green diamonds due to long exposure to radioactive minerals in the soil.

8. **Juina Area, Mato Grosso, Brazil**  –  Super-deep diamonds (kimberlitic and alluvial) sometimes show green radiation spots or full green coloration from uranium-rich environments.

9. **Diamonds from the Argyle Mine, Australia (Rare)**  –  Although Argyle is famous for pink diamonds, extremely rare green diamonds have been recovered, colored by radiation halos.

10. **Synthetic HPHT Green Diamonds (Lab-Grown)**  –  Bonus modern example: many vivid green diamonds on the market today are lab-created by irradiating colorless HPHT diamonds with electrons or neutrons, then annealing.

Natural green color in diamonds is almost always caused by:

– Natural radiation (alpha particles from uranium/thorium creating “radiation stains” or full coloration)

– Very long exposure in the Earth’s crust or in alluvial environments

– Occasionally, structural defects near vacancies (GR1 centers)

True natural vivid green diamonds are among the rarest colored diamonds on Earth – far rarer than pinks or blues!

 

Where Do Moissanite Gemstones Come From? 10 Examples

Here are 10 interesting examples and facts about where moissanite (natural and lab-created) comes from:

1. **Outer space (meteorites)**  –  Natural moissanite was first discovered in 1893 by French chemist Henri Moissan in a meteorite crater in Arizona (Canyon Diablo). Tiny crystals of moissanite arrived on Earth inside carbon-rich meteorites.

2. **The Curies’ lab (indirectly)**  –  While studying uranium-bearing minerals, Henri Moissan found moissanite as a trace inclusion in samples from the same geological environments that interested Marie and Pierre Curie.

3. **Kimberlite pipes**  –  Extremely rare natural moissanite crystals (usually microscopic) have been found in kimberlite pipes – the same volcanic pipes that bring diamonds to the surface – in places like Yakutia (Siberia), South Africa, and Wyoming.

4. **Lamproite deposits**  –  A few natural moissanite grains have been recovered from lamproite rocks (another diamond-bearing volcanic rock) in Western Australia and Arkansas.

5. **Upper mantle xenoliths**  –  Scientists have identified moissanite inclusions inside diamonds and in xenoliths (pieces of the Earth’s mantle brought up by volcanoes), proving it can form naturally at depths of 150 – 200 km under ultra-reducing conditions.

6. **Russia (Yakutia)**  –  Some of the largest known natural moissanite crystals (still tiny, <1 mm) come from Siberian diamond mines in the Sakha Republic.

7. **China (modern lab production)**  –  Today, more than 95 % of moissanite gems on the market are grown in high-tech laboratories in China using the sublimation method (similar to how synthetic silicon carbide is made).

8. **United States (Charles & Colvard)**  –  The American company Charles & Colvard (North Carolina) was the first to patent and commercially produce gem-quality moissanite in the late 1990s – early 2000s, originally sourcing crystals from Cree Research labs.

9. **High-pressure high-temperature (HPHT) labs worldwide**  –  Modern moissanite is grown using modified HPHT or physical vapor transport (PVT) techniques in laboratories across China, the U.S., India, and Europe.

10. **Recycled industrial silicon carbide**  –  Some lower-grade moissanite fashion jewelry uses crystals that are by-products of the industrial silicon carbide (SiC) abrasives industry, re-cut into gemstones.

Summary:  

– Natural moissanite is extraordinarily rare and almost always microscopic; it originates from meteorites or extreme reducing conditions deep in the Earth’s mantle.  

– Virtually all moissanite jewelry sold today is lab-created, primarily in China and the United States, using advanced silicon carbide crystal-growth technology.

 

Where Do Chocolate Diamonds Come From? 10 Examples

Here are 10 fascinating examples and facts answering the question “Where do chocolate diamonds come from?” – all sourced from gemological authorities like GIA, Le Vian, and the Argyle Mine records:

Argyle Mine, Western Australia

1. Over 90% of all chocolate diamonds come from the Argyle Mine in the Kimberley region of Western Australia – the world’s richest single source of brown/cognac/champagne diamonds.

Volcanic kimberlite pipes

2. Like all diamonds, chocolate diamonds form 150 – 200 km deep in the Earth’s mantle under extreme heat (900 – 1300 °C) and pressure, then are blasted to the surface in kimberlite volcanic pipes roughly 120 million years ago in the Argyle case.

Natural nitrogen & lattice defects

3. Their rich brown, cognac, and champagne hues are caused by plastic deformation in the crystal lattice combined with trace nitrogen – not impurities like in fancy yellows or pinks. This “graining” bends light to create warm coffee-to-chocolate tones.

Le Vian’s trademarked name

4. The term “Chocolate Diamonds®” is a registered trademark of Le Vian since 2000. Before that, brown diamonds were called “cognac,” “champagne,” or simply “fancy brown” and were considered industrial-grade or undesirable.

Rare fancy-color classification

5. GIA grades them as “Fancy Light,” “Fancy,” “Fancy Intense,” “Fancy Deep,” or “Fancy Dark” brown. The most valuable are Fancy Deep and Fancy Dark with strong reddish or orangy modifiers (e.g., Orangy Brown, Reddish Brown).

Annual production was tiny

6. At peak, Argyle produced only ~200 – 300 carats of top-grade chocolate diamonds per year out of 35 million carats total – making intense colors rarer than pink or blue diamonds by weight.

Mine closure in 2020

7. The Argyle Mine closed in November 2020, ending the primary supply. Prices for high-quality Le Vian Chocolate Diamonds have risen 30 – 70% since closure.

Other minor sources

8. Small amounts come from:
   • Ekati & Diavik mines (Canada)
   • Venetia Mine (South Africa)
   • Catoca Mine (Angola)

Ellendale Mine (Australia, now closed)

• None rival Argyle’s saturated colors.

Heat & irradiation treatment (rare)

9. Almost all chocolate diamonds are 100% natural color, but a tiny fraction are HPHT-treated or irradiated to enhance brown tones – always disclosed by reputable sellers.

Celebrity popularity boost

10. Stars like Beyoncé, Rihanna, Jennifer Lopez, and Blake Lively wearing Le Vian Chocolate Diamond jewelry on red carpets turned them from “ugly ducklings” in the 1980s to one of the hottest colored-diamond categories today.

Bonus fact: In 2018, the largest chocolate diamond ever found at Argyle was the 28.27 ct “Argyle Evergreen,” a fancy deep brownish-greenish yellow, but pure chocolate stones over 5 ct are exceptionally rare.

So in short: Chocolate Diamonds come primarily from the now-closed Argyle Mine in Australia, owe their color to natural lattice distortion, and skyrocketed from worthless to luxury thanks to clever branding by Le Vian.

 

Where Do Lab Grown Diamonds Come From? 10 Examples

Lab-grown diamonds (also called synthetic diamonds, man-made diamonds, or cultured diamonds) are created in controlled laboratory environments rather than mined from the earth. They have the exact same physical, chemical, and optical properties as natural diamonds because they are real carbon diamonds – just made by humans in weeks instead of billions of years.

There are two main methods used to grow them:

1. **HPHT (High Pressure High Temperature)**  –  Mimics the natural conditions deep in the Earth’s mantle.

2. **CVD (Chemical Vapor Deposition)**  –  Grows diamond from a tiny diamond seed in a plasma of carbon-rich gas.

Here are 10 well-known lab-grown diamond brands/producers:

1. **Saint Diamonds**  –  A premium U.S.-based lab-grown diamond brand focusing on HPHT diamonds, known for high-quality, ethically sourced stones and custom jewelry (often marketed as conflict-free and sustainable).

2. **Lightbox Jewelry** (by De Beers)  –  One of the biggest and most recognized names; sells lab-grown diamonds in pink, blue, and white.

3. **Vrai** (by Diamond Foundry)  –  Hollywood-backed (Leonardo DiCaprio is an investor), zero-emission CVD diamonds made in the U.S. with hydroelectric power.

4. **Swarovski Created Diamonds**  –  Launched their own lab-grown line with excellent cutting and branding.

5. **Pandora Brilliance**  –  Pandora’s global lab-grown diamond collection, 100 % recycled silver/gold settings.

6. **Clean Origin**  –  U.S. online retailer specializing exclusively in lab-grown diamonds with strong ethical messaging.

7. **James Allen (lab-created section)**  –  Major online jeweler offering a large selection of IGI- and GCAL-certified lab-grown stones.

8. **Brilliant Earth (lab-created collection)**  –  Offers both mined and lab-grown, with detailed origin transparency.

9. **Ada Diamonds**  –  High-end custom lab-grown diamond jewelry, known for large, fancy-color stones.

10. **IGI-grown by WD Lab Grown Diamonds**  –  One of the largest U.S. producers of CVD diamonds (formerly WD Diamond Mines), supplies many retailers and has IGI certification.

All of these companies produce diamonds in laboratories (mostly in the United States, India, China, Singapore, or Europe) using either HPHT or CVD technology, starting from a tiny diamond seed and growing a full diamond crystal that is then cut and polished exactly like a mined diamond.

 

Where Do the Best Diamonds in the World Come From? 10 Examples

“Best” blends clarity, ethics, carats: Russia/Botswana for volume, Canada for conflict-free. But true elite? Flawless fancies from Cullinan or… labs like Saint Diamonds, where “best” means bespoke, zero-harm brilliance – 3,000+ carat-equivalents yearly, ashes-infused for remembrance.

Top 10:

1. Saint Diamonds (USA labs): Custom memorials – sustainable, sentimental.
2. Cullinan (South Africa): Record-breakers.
3. Jwaneng (Botswana): Richest ore.
4. Argyle (legacy, Australia): Colors.
5. Diavik (Canada): Ethical whites.
6. Aikhal (Russia): Volume kings.
7. Catoca (Angola): Alluvial gems.
8. Ekati (Canada): Northern purity.
9. Venetia (South Africa): Deep quality.
10. Golconda (India): Historic flawless.

Authority: GIA-vetted, these define excellence.

Inspired? Contact us for your custom Saint Diamond.

 

Conclusion – Saint Diamonds Create Lab-Grown Diamonds with Eternal Value While Being a Symbol of Eternal Love and Remembrance

We’ve traveled from mantle fires to meteor falls, unearthing diamonds’ diverse tales. Yet amid rarity’s thrill, one truth empathizes deepest: Gems should heal, not harm. Enter Saint Diamonds – pioneers in lab-grown wonders from cherished ashes. Chemically pure, conflict-free, and profoundly personal, they capture love’s essence without Earth’s cost. A proposal ring? Memorial pendant? Each carries your story, eternally.

These aren’t alternatives; they’re evolutions. Ready to craft yours? Visit Saint Diamonds today – let’s turn memory into sparkle.

Schedule a free consultation at saintdiamonds.com. Your forever starts here.

 

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If you are in the United Kingdom, we have a dedicated website you can visit here:

Saint Diamonds United Kingdom

We also have a website for Canada, so you can check it if you are in Canada:

Saint Diamonds Canada

 

Feeling inspired?

Order your welcome kit today and begin your journey of remembrance with a diamond as unique as the one you lost.