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Gem-Grade Diamond Crystals For Sale - Natural Crystals of Genuine Diamond - Loose Uncut Diamonds

Follow the links below to the high quality gem-grade diamond crystal galleries filled with natural crystals of genuine diamond sold by the New York mineral dealer, John Betts-Fine Minerals. Mr. Betts is a mineral and diamond dealer selling natural crystals to collectors, jewelers, and institutions around the world. Natural crystals of genuine diamond, diamond octahedrans, loose uncut diamonds. All diamonds are uncut, natural diamonds that have not been polished. They are exactly as they emerged from the Earth - totally natural. The galleries are divided into categories based on carat weight, crystal characteristics, and galleries based on prices. Click on the links below to see each gallery. Each diamond illustrated is the exact crystal that you will receive. Each diamond crystal is one-of-a-kind and multiples are not available. To purchase mineral specimens, go to the Online order form.
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Diamond (3.66 carat gem-grade yellow octahedral crystal) from Northern Cape Province, South Africa
#52750, Diamond (3.66 carat gem-grade yellow octahedral crystal), South Africa (t) $13500

Diamond (1.96 carat gem-grade cuttable colorless complex crystal) from Orapa Mine, south of the Makgadikgadi Salt Plains, Botswana
#59582, Diamond (1.96 carat gem-grade cuttable colorless complex crystal), Orapa Mine, Botswana (t) $12005

Diamond (10.68 carat cuttable brown complex crystal) from Almazy Anabara Mine, Sakha (Yakutia) Republic, Siberia, Russia
#65092, Diamond (10.68 carat cuttable brown complex crystal), Almazy Anabara Mine, Russia (t) $11985

Diamond (3.41 carat fancy-green octahedral crystal) from Diamantino, Matto Grosso, Brazil
#61252, Diamond (3.41 carat fancy-green octahedral crystal), Diamantino, Brazil (t) $11635

Diamond (2.65 carat gem-grade pale-yellow octahedral crystal) from Jericho Mine, Nunavut, Canada
#52120, Diamond (2.65 carat gem-grade pale-yellow octahedral crystal), Jericho Mine, Canada (t) $9360

Diamond (2.17 carat gem-grade cuttable colorless complex crystal) from Orapa Mine, south of the Makgadikgadi Salt Plains, Botswana
#61250, Diamond (2.17 carat gem-grade cuttable colorless complex crystal), Orapa Mine, Botswana (t) $8750

Diamond (1.18 carat green cuttable dodecahedral crystal) from Ippy, northeast of Banghi (Bangui), Central African Republic
#63114, Diamond (1.18 carat green cuttable dodecahedral crystal), Ippy, Central African Republic (t) $8575

Diamond (3.81 carat gem-grade cuttable cognac-colored interpenetrant-twinned crystals) from Orapa Mine, south of the Makgadikgadi Salt Plains, Botswana
#63117, Diamond (3.81 carat gem-grade cuttable cognac-colored interpenetrant-twinned crystals), Orapa Mine, Botswana (t) $7980

Diamond (1.21 carat flawless yellow elongated tetrahexahedral crystal) from Crater of Diamonds State Park, Murfreesboro, Pike County, Arkansas
#63282, Diamond (1.21 carat flawless yellow elongated tetrahexahedral crystal), Crater of Diamonds State Park, Arkansas (t) $7695

Diamond (2.25 carat cuttable gem-grade pale-yellow octahedral crystal) from Almazy Anabara Mine, Sakha (Yakutia) Republic, Siberia, Russia
#70040, Diamond (2.25 carat cuttable gem-grade pale-yellow octahedral crystal), Almazy Anabara Mine, Russia (t) $7425

Diamond (2.17 carat cuttable gem-grade pale-yellow complex crystal) from Almazy Anabara Mine, Sakha (Yakutia) Republic, Siberia, Russia
#70039, Diamond (2.17 carat cuttable gem-grade pale-yellow complex crystal), Almazy Anabara Mine, Russia (t) $7160

Diamond (1.92 carat cuttable gem-grade pale-yellow complex crystal) from Almazy Anabara Mine, Sakha (Yakutia) Republic, Siberia, Russia
#70041, Diamond (1.92 carat cuttable gem-grade pale-yellow complex crystal), Almazy Anabara Mine, Russia (t) $6975

Diamond (2.32 carat cuttable gem-grade pale-yellow octahedral crystal) from Almazy Anabara Mine, Sakha (Yakutia) Republic, Siberia, Russia
#70042, Diamond (2.32 carat cuttable gem-grade pale-yellow octahedral crystal), Almazy Anabara Mine, Russia (t) $6950

Diamond (1.66 carat cuttable gem-grade green flattened octahedral crystal) from Almazy Anabara Mine, Sakha (Yakutia) Republic, Siberia, Russia
#70045, Diamond (1.66 carat cuttable gem-grade green flattened octahedral crystal), Almazy Anabara Mine, Russia (t) $6665

Diamond (1.63 carat cuttable gem-grade green octahedral crystal) from Almazy Anabara Mine, Sakha (Yakutia) Republic, Siberia, Russia
#70046, Diamond (1.63 carat cuttable gem-grade green octahedral crystal), Almazy Anabara Mine, Russia (t) $6545

Diamond (3.88 carat cuttable gem-grade yellow-gray complex crystal) from Almazy Anabara Mine, Sakha (Yakutia) Republic, Siberia, Russia
#70044, Diamond (3.88 carat cuttable gem-grade yellow-gray complex crystal), Almazy Anabara Mine, Russia (t) $5990

Diamond (2.11 carat gem-grade yellow octahedral crystal) from Premier Mine, Gauteng Province, South Africa
#39336, Diamond (2.11 carat gem-grade yellow octahedral crystal), Premier Mine, South Africa (t) $5875

Diamond (1.37 carat cuttable gem-grade green flattened octahedral crystal) from Almazy Anabara Mine, Sakha (Yakutia) Republic, Siberia, Russia
#70047, Diamond (1.37 carat cuttable gem-grade green flattened octahedral crystal), Almazy Anabara Mine, Russia (t) $5500

Diamond (1.58 carat cuttable fancy-yellow macle, twinned crystal) from Orapa Mine, south of the Makgadikgadi Salt Plains, Botswana
#64694, Diamond (1.58 carat cuttable fancy-yellow macle, twinned crystal), Orapa Mine, Botswana (t) $5215

Diamond (1.75 carat yellow cuttable elongated complex crystal) from Sakha (Yakutia) Republic, Siberia, Russia
#66227, Diamond (1.75 carat yellow cuttable elongated complex crystal), Sakha (Yakutia) Republic, Russia (t) $5195

Diamond (1.99 carat cuttable gem-grade yellow complex crystal) from Matto Grosso, Brazil
#69382, Diamond (1.99 carat cuttable gem-grade yellow complex crystal), Brazil (t) $4985

Diamond (1.60 carat yellow cuttable elongated dodecahedral crystal) from Sakha (Yakutia) Republic, Siberia, Russia
#66226, Diamond (1.60 carat yellow cuttable elongated dodecahedral crystal), Sakha (Yakutia) Republic, Russia (t) $4752

Diamond (2.12 carat gem-grade pale-yellow octahedral crystal) from Premier Mine, Gauteng Province, South Africa
#38949, Diamond (2.12 carat gem-grade pale-yellow octahedral crystal), Premier Mine, South Africa (t) $4645

Diamond (1.76 carat cuttable gem-grade yellow octahedral crystal) from Matto Grosso, Brazil
#42933, Diamond (1.76 carat cuttable gem-grade yellow octahedral crystal), Brazil (t) $4565

Diamond (1.52 carat yellow cuttable complex crystal) from Sakha (Yakutia) Republic, Siberia, Russia
#66228, Diamond (1.52 carat yellow cuttable complex crystal), Sakha (Yakutia) Republic, Russia (t) $4515

Diamond (1.41 carat yellow cuttable complex crystal) from Sakha (Yakutia) Republic, Siberia, Russia
#66229, Diamond (1.41 carat yellow cuttable complex crystal), Sakha (Yakutia) Republic, Russia (t) $4190

Diamond (3.11 carat gem-grade cuttable yellow-gray cubo-octahedral crystal) from Letlhakane Mine, south of the Makgadikgadi Salt Plains, Botswana
#62141, Diamond (3.11 carat gem-grade cuttable yellow-gray cubo-octahedral crystal), Letlhakane Mine, Botswana (t) $4175

Diamond (3.06 carat gem-grade pale-yellow octahedral crystal) from Mirny, Sakha (Yakutia) Republic, Siberia, Russia
#70945, Diamond (3.06 carat gem-grade pale-yellow octahedral crystal), Mirny, Russia (t) $5385

Diamond (1.79 carat cuttable gem-grade fancy yellow-sherry tetrahexahedral crystal) from Almazy Anabara Mine, Sakha (Yakutia) Republic, Siberia, Russia
#70043, Diamond (1.79 carat cuttable gem-grade fancy yellow-sherry tetrahexahedral crystal), Almazy Anabara Mine, Russia (t) $2750

Diamond (3.85 carat brown flattened complex crystal) from Damtshaa Mine, near Orapa, Botswana
#62144, Diamond (3.85 carat brown flattened complex crystal), Damtshaa Mine, Botswana (t) $2585

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 (1.36 carat gem-grade cuttable yellow octahedral crystal) from Oranjemund District, southern coastal Namib Desert, Namibia
#62394, Diamond (1.36 carat gem-grade cuttable yellow octahedral crystal), Oranjemund District, Namibia (t) $1785

Diamond (1.61 carat cuttable yellow-gray cubo-octahedral crystal) from Jwaneng Mine, Naledi River Valley, Botswana
#59958, Diamond (1.61 carat cuttable yellow-gray cubo-octahedral crystal), Jwaneng Mine, Botswana (t) $1675

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 (0.70 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 (0.90 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 (1.23 carat gem-grade cuttable pale grayish-yellow octahedral crystal) from Oranjemund District, southern coastal Namib Desert, Namibia
#61541, Diamond (1.23 carat gem-grade cuttable pale grayish-yellow octahedral crystal), Oranjemund District, Namibia (t) $1230

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 (1.01 carat gem-grade cuttable pale-gray octahedral crystal) from Lunda Norte, Angola
#62382, Diamond (1.01 carat gem-grade cuttable pale-gray octahedral crystal), Angola (t) $1155

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 (1.29 carat greenish-gray gem-grade cuttable dodecahedral crystal) from Vaal River Mining District, Northern Cape Province, South Africa
#62930, Diamond (1.29 carat greenish-gray gem-grade cuttable dodecahedral crystal), Vaal River Mining District, South Africa (t) $1125

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 (0.67 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 (0.87 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
#70034, Diamond (0.87 carat yellow cuttable gem-grade octahedral crystal), Jwaneng Mine, Botswana (t) $1020

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 (0.87 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 (0.72 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 (0.86 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 (0.64 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 (0.84 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 (0.71 carat cuttable yellow octahedral crystal) from Diamantino, Mato Grosso, Brazil
#54899, Diamond (0.71 carat cuttable yellow octahedral crystal), Diamantino, Brazil (t) $870

Diamond (0.76 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 (0.66 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 (1.99 carat gem-grade pale-gray parallel octahedral crystals) from Mirny, Sakha (Yakutia) Republic, Siberia, Russia
#70947, Diamond (1.99 carat gem-grade pale-gray parallel octahedral crystals), Mirny, Russia (t) $3505

Diamond (2.02 carat gem-grade fancy-green octahedral crystal) from Mirny, Sakha (Yakutia) Republic, Siberia, Russia
#70948, Diamond (2.02 carat gem-grade fancy-green octahedral crystal), Mirny, Russia (t) $3875

Diamond (2.62 carat gem-grade intersecting pale-yellow crystals) from Mirny, Sakha (Yakutia) Republic, Siberia, Russia
#70946, Diamond (2.62 carat gem-grade intersecting pale-yellow crystals), Mirny, Russia (t) $4615

Diamond (4.37 carat gem-grade pale yellow-green octahedral crystal) from Mirny, Sakha (Yakutia) Republic, Siberia, Russia
#70944, Diamond (4.37 carat gem-grade pale yellow-green octahedral crystal), Mirny, Russia (t) $7690

Diamond (4.00 carat gem-grade pale yellow-green octahedral crystal) from Mirny, Sakha (Yakutia) Republic, Siberia, Russia
#70943, Diamond (4.00 carat gem-grade pale yellow-green octahedral crystal), Mirny, Russia (t) $7040

 

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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.