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John Betts - Fine Minerals, a division of ALLMINERALS.COM dealer of Mineral Specimens, Crystals, Gemstones for Rockshops, Rockhounds, Collectors and Mineral Clubs with Articles on Mineral Collecting, Mineral Locations, Mineral Research, Mineral History, Earth Sciences, Geology

 

Large Diamond Crystals Over 5 Carats For Sale

Below is a gallery of  large natural crystals of genuine diamond from various countries around the world. These are large diamond crystals over 5.00 carats 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.
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Diamond (8.63 carat pale red-brown octahedral crystal) from Mirny, Sakha (Yakutia) Republic, Siberia, Russia
#61245, Diamond (8.63 carat pale red-brown octahedral crystal), Mirny, Russia (t) $8545

Diamond (20.07 carat gray complex cubic crystal) from Mbuji-Mayi, 300 km east of Tshikapa, Democratic Republic of the Congo
#55766, Diamond (20.07 carat gray complex cubic crystal), Mbuji-Mayi, Democratic Republic of the Congo (t) $3075

Diamond (10.25 carat yellow-gray irregular T-shaped crystal) from Northern Cape Province, South Africa
#61249, Diamond (10.25 carat yellow-gray irregular T-shaped crystal), South Africa (t) $8250

Diamond (10.35 carat gray irregular crystal) from Sakha (Yakutia) Republic, Siberia, Russia
#61244, Diamond (10.35 carat gray irregular crystal), Sakha (Yakutia) Republic, Russia (t) $11950

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 (12.69 carat yellow-gray intergrown rounded crystals) from Mbuji-Mayi, 300 km east of Tshikapa, Democratic Republic of the Congo
#64700, Diamond (12.69 carat yellow-gray intergrown rounded crystals), Mbuji-Mayi, Democratic Republic of the Congo (t) $1270

Diamond (20.49 carat green octahedral crystal) from Sakha (Yakutia) Republic, Siberia, Russia
#60663, Diamond (20.49 carat green octahedral crystal), Sakha (Yakutia) Republic, Russia (t) $24950

Diamond (24.47 carat translucent black crystal cluster) from South Africa
#62151, Diamond (24.47 carat translucent black crystal cluster), South Africa (t) $13250

Diamond (26.52 carat gray octahedral crystal) from Republic of Sakha, Siberia, Russia
#57264, Diamond (26.52 carat gray octahedral crystal), Republic of Sakha, Russia (t) $24365

Diamond (9.16 carat triangular yellow complex crystal) from Vaal River Mining District, Northern Cape Province, South Africa
#62378, Diamond (9.16 carat triangular yellow complex crystal), Vaal River Mining District, South Africa (t) $9350

Diamond (9.63 carat gray-brown octahedral crystal) from Oranjemund District, southern coastal Namib Desert, Namibia
#70038, Diamond (9.63 carat gray-brown octahedral crystal), Oranjemund District, Namibia (t) $3180

Diamond (7.32 carat pale red-brown octahedral crystal) from Mirny, Sakha (Yakutia) Republic, Siberia, Russia
#59971, Diamond (7.32 carat pale red-brown octahedral crystal), Mirny, Russia (t) $8520

Diamond (7.99 carat brown rounded crystal) from Almazy Anabara Mine, Sakha (Yakutia) Republic, Siberia, Russia
#65922, Diamond (7.99 carat brown rounded crystal), Almazy Anabara Mine, Russia (t) $7040

 

Check out the other diamond galleries:

Diamonds Priced under $200

Diamond Crystals in unusual crystals and clusters

Diamond Crystals under 1 carat

Diamonds Priced $200 -$399

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Advice on Cutting Rough Diamonds

Do you think you found a diamond? Learn how to identify 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.