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Rough Diamonds For Sale - Uncut Diamond Crystals Under 1 Carat

Below is a gallery of  rough crystals of genuine diamond from various countries around the world. These are rough diamonds that gemstones are made from - not Herkimer Diamonds that are common quartz. Many different crystal forms are available: Octahedral, Cubic, Macle Twins, Balas crystals. All diamonds are natural crystals, exactly as they occurred naturally in the Earth. These are uncut diamond crystals. No polishing, cutting or alteration of any kind. Most commonly available diamond specimens are from South Africa, Australia, and Democratic Republic of Congo. New diamonds are added frequently, check back often. To purchase mineral specimens, go to the Online order form.
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Diamond (0.14 carat brown octahedral crystal) from Fuxian, Lianing Province, China
#60648, Diamond (0.14 carat brown octahedral crystal), Fuxian, China (t) $140

Diamond (0.18 carat yellow flattened dodecahedral crystal) from Argyle Mine, Kimberley, Western Australia, Australia
#66220, Diamond (0.18 carat yellow flattened dodecahedral crystal), Argyle Mine, Australia (t) $115

Diamond (0.19 carat pink-gray octahedral crystal) from Argyle Mine, Kimberley, Western Australia, Australia
#70673, Diamond (0.19 carat pink-gray octahedral crystal), Argyle Mine, Australia (t) $170

Diamond (0.20 carat pink-gray octahedral crystal) from Argyle Mine, Kimberley, Western Australia, Australia
#70675, Diamond (0.20 carat pink-gray octahedral crystal), Argyle Mine, Australia (t) $175

Diamond (0.23 carat fancy yellow cavernous crystal) from Mbuji-Mayi, 300 km east of Tshikapa, Democratic Republic of the Congo
#63146, Diamond (0.23 carat fancy yellow cavernous crystal), Mbuji-Mayi, Democratic Republic of the Congo (t) $255

Diamond (0.23 carat pink-gray octahedral crystal) from Argyle Mine, Kimberley, Western Australia, Australia
#70674, Diamond (0.23 carat pink-gray octahedral crystal), Argyle Mine, Australia (t) $205

Diamond (0.25 carat pink-gray octahedral crystal) from Argyle Mine, Kimberley, Western Australia, Australia
#69381, Diamond (0.25 carat pink-gray octahedral crystal), Argyle Mine, Australia (t) $195

Diamond (0.32 carat pink octahedral crystal) from Argyle Mine, Kimberley, Western Australia, Australia
#69380, Diamond (0.32 carat pink octahedral crystal), Argyle Mine, Australia (t) $300

Diamond (0.32 carat pink-gray octahedral crystal) from Argyle Mine, Kimberley, Western Australia, Australia
#70676, Diamond (0.32 carat pink-gray octahedral crystal), Argyle Mine, Australia (t) $280

Diamond (0.35 carat pink-gray octahedral crystal) from Argyle Mine, Kimberley, Western Australia, Australia
#70677, Diamond (0.35 carat pink-gray octahedral crystal), Argyle Mine, Australia (t) $310

Diamond (0.39 carat colorless octahedral crystal) from Premier Mine, Gauteng Province, South Africa
#63802, Diamond (0.39 carat colorless octahedral crystal), Premier Mine, South Africa (t) $305

Diamond (0.42 carat colorless tetrahexahedral crystal) from Premier Mine, Gauteng Province, South Africa
#63800, Diamond (0.42 carat colorless tetrahexahedral crystal), Premier Mine, South Africa (t) $325

Diamond (0.27 carat fancy intense-yellow cavernous crystal) from Mbuji-Mayi, 300 km east of Tshikapa, Democratic Republic of the Congo
#64890, Diamond (0.27 carat fancy intense-yellow cavernous crystal), Mbuji-Mayi, Democratic Republic of the Congo (t) $420

Diamond (0.31 carat fancy intense-yellow cavernous crystal) from Mbuji-Mayi, 300 km east of Tshikapa, Democratic Republic of the Congo
#64887, Diamond (0.31 carat fancy intense-yellow cavernous crystal), Mbuji-Mayi, Democratic Republic of the Congo (t) $485

Diamond (0.33 carat fancy intense-yellow cavernous crystal) from Mbuji-Mayi, 300 km east of Tshikapa, Democratic Republic of the Congo
#64889, Diamond (0.33 carat fancy intense-yellow cavernous crystal), Mbuji-Mayi, Democratic Republic of the Congo (t) $515

Diamond (0.37 carat fancy intense-yellow cavernous crystal) from Mbuji-Mayi, 300 km east of Tshikapa, Democratic Republic of the Congo
#64886, Diamond (0.37 carat fancy intense-yellow cavernous crystal), Mbuji-Mayi, Democratic Republic of the Congo (t) $575

Diamond (0.44 carat fancy intense-yellow cavernous crystal) from Mbuji-Mayi, 300 km east of Tshikapa, Democratic Republic of the Congo
#64885, Diamond (0.44 carat fancy intense-yellow cavernous crystal), Mbuji-Mayi, Democratic Republic of the Congo (t) $690

Diamond (0.51 carat fancy-yellow cavernous crystal) from Mbuji-Mayi, 300 km east of Tshikapa, Democratic Republic of the Congo
#63148, Diamond (0.51 carat fancy-yellow cavernous crystal), Mbuji-Mayi, Democratic Republic of the Congo (t) $545

Diamond (0.56 carat fancy intense yellow cavernous crystal) from Mbuji-Mayi, 300 km east of Tshikapa, Democratic Republic of the Congo
#60631, Diamond (0.56 carat fancy intense yellow cavernous crystal), Mbuji-Mayi, Democratic Republic of the Congo (t) $595

Diamond (0.60 carat fancy intense-yellow cavernous crystal) from Mbuji-Mayi, 300 km east of Tshikapa, Democratic Republic of the Congo
#64888, Diamond (0.60 carat fancy intense-yellow cavernous crystal), Mbuji-Mayi, Democratic Republic of the Congo (t) $935

Diamond (0.61 carat pale-pink octahedral crystal) from Argyle Mine, Kimberley, Western Australia, Australia
#66311, Diamond (0.61 carat pale-pink octahedral crystal), Argyle Mine, Australia (t) $585

Diamond (0.64 carat cuttable yellow-green tetrahexahedral crystal) from Oranjemund District, southern coastal Namib Desert, Namibia
#54900, Diamond (0.64 carat cuttable yellow-green tetrahexahedral crystal), Oranjemund District, Namibia (t) $875

Diamond (0.66 carat cuttable pale-yellow macle, twinned crystal) from Diavik Mine, East Island, Lac de Gras, Northwest Territories, Canada
#65923, Diamond (0.66 carat cuttable pale-yellow macle, twinned crystal), Diavik Mine, Canada (t) $1015

Diamond (0.66 carat cuttable yellow dodecahedral crystal) from Orapa Mine, south of the Makgadikgadi Salt Plains, Botswana
#63804, Diamond (0.66 carat cuttable yellow dodecahedral crystal), Orapa Mine, Botswana (t) $435

Diamond (0.66 carat fancy orange-yellow asymmetric dodecahedral crystal) from Northern Cape Province, South Africa
#64706, Diamond (0.66 carat fancy orange-yellow asymmetric dodecahedral crystal), South Africa (t) $510

Diamond (0.66 carat fancy-intense yellow cubic crystal) from Mbuji-Mayi, 300 km east of Tshikapa, Democratic Republic of the Congo
#69653, Diamond (0.66 carat fancy-intense yellow cubic crystal), Mbuji-Mayi, Democratic Republic of the Congo (t) $875

Diamond (0.67 carat cuttable pale-yellow macle, twinned crystal) from Diavik Mine, East Island, Lac de Gras, Northwest Territories, Canada
#65927, Diamond (0.67 carat cuttable pale-yellow macle, twinned crystal), Diavik Mine, Canada (t) $1030

Diamond (0.70 carat cuttable colorless distorted crystal) from Diavik Mine, East Island, Lac de Gras, Northwest Territories, Canada
#62158, Diamond (0.70 carat cuttable colorless distorted crystal), Diavik Mine, Canada (t) $1445

Diamond (0.71 carat cuttable yellow octahedral crystal) from Diamantino, Mato Grosso, Brazil
#54899, Diamond (0.71 carat cuttable yellow octahedral crystal), Diamantino, Brazil (t) $870

Diamond (0.72 carat cuttable fancy-yellow octahedral crystal) from Northern Cape Province, South Africa
#54901, Diamond (0.72 carat cuttable fancy-yellow octahedral crystal), South Africa (t) $955

Diamond (0.72 carat cuttable pale-yellow macle, twinned crystal) from Diavik Mine, East Island, Lac de Gras, Northwest Territories, Canada
#65924, Diamond (0.72 carat cuttable pale-yellow macle, twinned crystal), Diavik Mine, Canada (t) $1110

Diamond (0.74 carat cuttable pale-yellow macle, twinned crystal) from Diavik Mine, East Island, Lac de Gras, Northwest Territories, Canada
#65926, Diamond (0.74 carat cuttable pale-yellow macle, twinned crystal), Diavik Mine, Canada (t) $1140

Diamond (0.75 carat cuttable pale-yellow macle, twinned crystal) from Diavik Mine, East Island, Lac de Gras, Northwest Territories, Canada
#65928, Diamond (0.75 carat cuttable pale-yellow macle, twinned crystal), Diavik Mine, Canada (t) $1155

Diamond (0.76 carat yellow cuttable gem-grade octahedral crystal) from Jwaneng Mine, Naledi River Valley, Botswana
#70031, Diamond (0.76 carat yellow cuttable gem-grade octahedral crystal), Jwaneng Mine, Botswana (t) $790

Diamond (0.76 carat yellow flattened triangular crystal) from Argyle Mine, Kimberley, Western Australia, Australia
#63125, Diamond (0.76 carat yellow flattened triangular crystal), Argyle Mine, Australia (t) $525

Diamond (0.78 carat pink octahedral crystal) from Sakha (Yakutia) Republic, Siberia, Russia
#65918, Diamond (0.78 carat pink octahedral crystal), Sakha (Yakutia) Republic, Russia (t) $690

Diamond (0.84 carat yellow cuttable gem-grade dodecahedral crystal) from Jwaneng Mine, Naledi River Valley, Botswana
#70030, Diamond (0.84 carat yellow cuttable gem-grade dodecahedral crystal), Jwaneng Mine, Botswana (t) $875

Diamond (0.86 carat yellow cuttable gem-grade octahedral crystal) from Jwaneng Mine, Naledi River Valley, Botswana
#70033, Diamond (0.86 carat yellow cuttable gem-grade octahedral crystal), Jwaneng Mine, Botswana (t) $950

Diamond (0.87 carat yellow cuttable gem-grade octahedral crystal) from Jwaneng Mine, Naledi River Valley, Botswana
#70035, Diamond (0.87 carat yellow cuttable gem-grade octahedral crystal), Jwaneng Mine, Botswana (t) $1020

Diamond (0.87 carat yellow cuttable gem-grade octahedral crystal) from Jwaneng Mine, Naledi River Valley, Botswana
#70032, Diamond (0.87 carat yellow cuttable gem-grade octahedral crystal), Jwaneng Mine, Botswana (t) $965

Diamond (0.87 carat yellow cuttable gem-grade octahedral crystal) from Jwaneng Mine, Naledi River Valley, Botswana
#70034, Diamond (0.87 carat yellow cuttable gem-grade octahedral crystal), Jwaneng Mine, Botswana (t) $1020

Diamond (0.89 carat fancy-green irregular crystal) from Almazy Anabara Mine, Sakha (Yakutia) Republic, Siberia, Russia
#64698, Diamond (0.89 carat fancy-green irregular crystal), Almazy Anabara Mine, Russia (t) $2155

Diamond (0.90 carat cuttable fancy-yellow octahedral crystal) from Orapa Mine, south of the Makgadikgadi Salt Plains, Botswana
#61545, Diamond (0.90 carat cuttable fancy-yellow octahedral crystal), Orapa Mine, Botswana (t) $1565

Diamond (0.90 carat fancy-yellow cuttable gem-grade dodecahedral crystal) from Jwaneng Mine, Naledi River Valley, Botswana
#70036, Diamond (0.90 carat fancy-yellow cuttable gem-grade dodecahedral crystal), Jwaneng Mine, Botswana (t) $1255

Diamond (0.92 carat fancy-yellow complex crystal) from Ippy, northeast of Banghi (Bangui), Central African Republic
#67459, Diamond (0.92 carat fancy-yellow complex crystal), Ippy, Central African Republic (t) $610

Diamond (0.93 carat fancy-green irregular crystal) from Almazy Anabara Mine, Sakha (Yakutia) Republic, Siberia, Russia
#64696, Diamond (0.93 carat fancy-green irregular crystal), Almazy Anabara Mine, Russia (t) $2250

Diamond (0.94 carat orange-brown distorted dodecahedral crystal) from Northern Cape Province, South Africa
#64704, Diamond (0.94 carat orange-brown distorted dodecahedral crystal), South Africa (t) $725

Diamond (0.94 carat pale pale-yellow octahedral crystal) from Orapa Mine, south of the Makgadikgadi Salt Plains, Botswana
#36458, Diamond (0.94 carat pale pale-yellow octahedral crystal), Orapa Mine, Botswana (t) $625

Diamond (0.97 carat orange-brown elongated dodecahedral crystal) from Northern Cape Province, South Africa
#64702, Diamond (0.97 carat orange-brown elongated dodecahedral crystal), South Africa (t) $745

Sawn Diamond Slices with internal zoning.

Diamond (0.31 carat polished slice with sector-zoned inclusions) from Zimbabwe
#59928, Diamond (0.31 carat polished slice with sector-zoned inclusions), Zimbabwe (t) $60

Diamond (0.28 carat polished slice with sector-zoned inclusions) from Zimbabwe
#59926, Diamond (0.28 carat polished slice with sector-zoned inclusions), Zimbabwe (t) $60

Diamond (0.24 carat polished slice with sector-zoned inclusions) from Zimbabwe
#59952, Diamond (0.24 carat polished slice with sector-zoned inclusions), Zimbabwe (t) $50

Diamond (0.51 carat polished slice with sector-zoned inclusions) from Zimbabwe
#59946, Diamond (0.51 carat polished slice with sector-zoned inclusions), Zimbabwe (t) $100

Diamond (0.37 carat polished slice with sector-zoned inclusions) from Zimbabwe
#59930, Diamond (0.37 carat polished slice with sector-zoned inclusions), Zimbabwe (t) $75

   

 

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Advice on Cutting Rough Diamonds

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© John Betts - Fine Minerals, New York , NY - All Rights Reserved.
a division of allminerals.com, dealer of Fine Minerals since 1989.  

All diamonds sold on this web site were purchased from legitimate sources not involved in funding conflicts and in compliance with the United Nations Kimberley Process requiring all uncut rough diamonds to be sealed in tamper-proof containers at the point of origin to prevent smuggled conflict-diamonds from tainting the shipment, and a Kimberley Process Certificate is on file at the U.S. Department of Commerce. The owner, John Betts, hereby guarantees that these diamonds are conflict-free, based on written warranty of Kimberley Process.