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John Betts - Fine Minerals, New York, NY  212-678-1942
Dealers of Fine Minerals and Natural Crystal Clusters since 1989.

Rough Diamonds - Uncut Diamond Crystals Under 1 Carat

Below is a gallery of  rough crystals of genuine diamond from various countries around the world. These are real diamond 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. 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.

Diamond (0.53 carat yellow-gray complex crystal) from Mirny, Republic of Sakha (Yakutia), Siberia, Russia
#39514, Diamond (0.53 carat yellow-gray complex crystal), Mirny, Russia (t) $230

Diamond (0.86 carat yellow-brown octahedral crystal) from Jwaneng Mine, Naledi River Valley, Botswana
#38950, Diamond (0.86 carat yellow-brown octahedral crystal), Jwaneng Mine, Botswana (t) $380

Diamond (0.28 carat yellow tetrahexahedral crystal) from Northern Cape Province, South Africa
#39861, Diamond (0.28 carat yellow tetrahexahedral crystal), South Africa (t) $210

Diamond (0.58 carat pale-green octahedral crystal) from Vaal River Mining District, Northern Cape Province, South Africa
#31874, Diamond (0.58 carat pale-green octahedral crystal), Vaal River Mining District, South Africa (t) $350

Diamond (0.30 carat brown dodecahedral crystal) from Majhgawan Pipe, near Panna, Madhya Pradesh, India
#39944, Diamond (0.30 carat brown dodecahedral crystal), Majhgawan Pipe, near Panna, India (t) $150

Diamond (0.38 carat pale-green octahedral crystal) from Vaal River Mining District, Northern Cape Province, South Africa
#31871, Diamond (0.38 carat pale-green octahedral crystal), Vaal River Mining District, South Africa (t) $250

Diamond (0.49 carat macle-twin crystal) from Northern Cape Province, South Africa
#31132, Diamond (0.49 carat macle-twin crystal), South Africa (t) $325

Diamond (0.73 carat yellow-green octahedral crystal) from Mirny, Republic of Sakha (Yakutia), Siberia, Russia
#39512, Diamond (0.73 carat yellow-green octahedral crystal), Mirny, Russia (t) $290

Diamond (0.64 carat colorless cubic crystal) from Magna Egoli Mine, between Bo and Kenema, Sierra Leone
#39398, Diamond (0.64 carat colorless cubic crystal), Magna Egoli Mine, Sierra Leone (t) $275

Diamond (0.44 carat pink-gray octahedral crystal) from Argyle Mine, Kimberley, Western Australia, Australia
#41058, Diamond (0.44 carat pink-gray octahedral crystal), Argyle Mine, Australia (t) $440

Diamond (0.42 carat pink-gray octahedral crystal) from Argyle Mine, Kimberley, Western Australia, Australia
#41063, Diamond (0.42 carat pink-gray octahedral crystal), Argyle Mine, Australia (t) $465

Diamond (0.52 carat pink-gray octahedral crystal) from Argyle Mine, Kimberley, Western Australia, Australia
#41062, Diamond (0.52 carat pink-gray octahedral crystal), Argyle Mine, Australia (t) $495

Diamond (0.88 carat yellow flattened crystal) from Mirny, Republic of Sakha (Yakutia), Siberia, Russia
#39513, Diamond (0.88 carat yellow flattened crystal), Mirny, Russia (t) $400

Diamond (0.84 carat pink octahedral crystal) from Argyle Mine, Kimberley, Western Australia, Australia
#41056, Diamond (0.84 carat pink octahedral crystal), Argyle Mine, Australia (t) $850

Diamond (0.62 carat pink octahedral crystal) from Argyle Mine, Kimberley, Western Australia, Australia
#41059, Diamond (0.62 carat pink octahedral crystal), Argyle Mine, Australia (t) $685

Diamond (0.89 carat green-yellow flattened crystal) from Premier Mine, Gauteng Province (formerly Transvaal), South Africa
#39867, Diamond (0.89 carat green-yellow flattened crystal), Premier Mine, South Africa (t) $650

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 (0.48 carat purple octahedral crystal) from Argyle Mine, Kimberley, Western Australia, Australia
#41055, Diamond (0.48 carat purple octahedral crystal), Argyle Mine, Australia (t) $525

Diamond (0.90 carat gray dodecahedral crystal) from Baken Mine, Northern Cape Province, South Africa
#40791, Diamond (0.90 carat gray dodecahedral crystal), Baken Mine, South Africa (t) $500

Diamond (0.84 carat yellow dodecahedral crystal) from Orapa Mine, south of the Makgadikgadi Salt Plains, Botswana
#37704, Diamond (0.84 carat yellow dodecahedral crystal), Orapa Mine, Botswana (t) $550

Diamond (0.61 carat green octahedral crystal) from Orapa Mine, south of the Makgadikgadi Salt Plains, Botswana
#36456, Diamond (0.61 carat green octahedral crystal), Orapa Mine, Botswana (t) $450

Diamond (0.98 carat yellow tetrahexahedral crystal) from Diamantino, Mato Grosso, Brazil
#39510, Diamond (0.98 carat yellow tetrahexahedral crystal), Diamantino, Brazil (t) $540

Diamond (0.59 carat fancy-yellow complex crystal) from Venetia Mine, Limpopo Province, South Africa
#40795, Diamond (0.59 carat fancy-yellow complex crystal), Venetia Mine, South Africa (t) $475

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

Diamond (0.91 carat pinkish-gray dodecahedral crystal) from Baken Mine, Northern Cape Province, South Africa
#40792, Diamond (0.91 carat pinkish-gray dodecahedral crystal), Baken Mine, South Africa (t) $500

Diamond (0.90 carat gray-brown octahedral crystal) from Baken Mine, Northern Cape Province, South Africa
#40790, Diamond (0.90 carat gray-brown octahedral crystal), Baken Mine, South Africa (t) $500

Diamond (0.96 carat gray-brown dodecahedral crystal) from Baken Mine, Northern Cape Province, South Africa
#40789, Diamond (0.96 carat gray-brown dodecahedral crystal), Baken Mine, South Africa (t) $525

Diamond (0.58 carat fancy-yellow dodecahedral crystal) from Premier Mine, Gauteng Province (formerly Transvaal), South Africa
#40635, Diamond (0.58 carat fancy-yellow dodecahedral crystal), Premier Mine, South Africa (t) $500

Diamond (0.90 carat yellow dodecahedral crystal) from Diamantino, Mato Grosso, Brazil
#35675, Diamond (0.90 carat yellow dodecahedral crystal), Diamantino, Brazil (t) $495

Diamond (0.86 carat yellow dodecahedral crystal) from Orapa Mine, south of the Makgadikgadi Salt Plains, Botswana
#40633, Diamond (0.86 carat yellow dodecahedral crystal), Orapa Mine, Botswana (t) $475

Diamond (0.66 carat pale-green flattened crystal) from Premier Mine, Gauteng Province (formerly Transvaal), South Africa
#40636, Diamond (0.66 carat pale-green flattened crystal), Premier Mine, South Africa (t) $480

Diamond (0.79 carat pale yellow dodecahedral crystal) from Orapa Mine, south of the Makgadikgadi Salt Plains, Botswana
#37251, Diamond (0.79 carat pale yellow dodecahedral crystal), Orapa Mine, Botswana (t) $525

Diamond (0.84 carat yellow-gray complex crystal) from Orapa Mine, south of the Makgadikgadi Salt Plains, Botswana
#37705, Diamond (0.84 carat yellow-gray complex crystal), Orapa Mine, Botswana (t) $500

Diamond (0.83 carat pale-yellow octahedral crystal) from Northern Cape Province, South Africa
#39058, Diamond (0.83 carat pale-yellow octahedral crystal), South Africa (t) $475

Diamond (0.67 carat yellow-green octahedral crystal) from Orapa Mine, south of the Makgadikgadi Salt Plains, Botswana
#30191, Diamond (0.67 carat yellow-green octahedral crystal), Orapa Mine, Botswana (t) $425

Diamond (0.91 carat yellow-gray octahedral crystal) from Vaal River Mining District, Northern Cape Province, South Africa
#37946, Diamond (0.91 carat yellow-gray octahedral crystal), Vaal River Mining District, South Africa (t) $400

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See more diamonds in these galleries:

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Diamond Crystals 1-2 carats

Diamond Crystals under 2-5 carats

Diamond Crystal in unusual crystals and clusters

Diamond Crystals over 5 carats

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Diamonds Priced under $200

Diamonds Priced $200 -$399

Diamonds Priced $400 - $999 

Diamonds Priced $1000 and above

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Diamond Crystals for Use in Natural Diamond Jewelry

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