John Betts - Fine Minerals > Home Page > Minerals For Sale > Rough Uncut Diamonds For Sale > Diamond Crystals for Jewelry For Sale

 

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Natural Diamond Crystals for Jewelry - Uncut Rough Diamonds For Sale
Crystals with natural sparkle making them perfect for use in jewlery without faceting

Below is a gallery of my natural diamond crystals for use in jewelry . These uncut rough diamonds are crystals with natural sparkle making them perfect for use in jewlery without faceting. These are real diamonds that gemstones are made from - not Herkimer Diamonds that are common quartz.

Using rough diamonds in jewelry is a major trend in jewelry today. Of course the practice of using raw diamonds dates back at least to Roman times when they were commonly found in men's rins. But recently major diamond jewelry companies have created their own lines. DeBeers introduced their line called Talisman in 2006. A new company Diamond in the Rough introduced a large 305 carat rough diamond necklace was prominantly feateued in Neiman Marcus 2007 Christmas Book for $1 million.

The success of these top teir jewelry companies marketing rough diamond jewelry  has created demand from independent jewelry designers that are interested in the lower overhead cost possible because the expense to have each diamond faceted by a mester diamond cutter has been eliminated.

If you are considering buying a diamond for use in jewelry,
here are some following suggestions:

  1. In general, add 50% to the carat weight for an uncut diamond because they are more bulky than faceted diamonds. A 1.00 carat brilliant-cut faceted diamond is 6.4 mm in diameter around the girdle. A similar sized 6.5 mm uncut diamond will be in the 1.5 carat range.

  2. The exception to rule number 1 above is a macle diamond. These are triangular diamond crystals that are the result of crystal twinning and they resemble triangular trillion-cut faceted diamonds. Because they are shallower than comparable uncut diamonds of equal weight, they appear much larger for a given carat weight. A 6 mm (on each of the triangular edges) macle diamond will weigh approximately 1.00 carat.

  3. Look for a diamond crystal with natural sparkle - lots of small reflections of light caused by the crystal faces bouncing light internally throughout the crystal. Some diamonds have flat, planar faces (glassies) and look dull. Other diamonds have a satin-like surface luster that is often attractive, but kills the internal sparkle. The best crystals for natural diamond jewelry will have complicated crystal faces with striations, trigons, or simply a unique shape that gives them an internal sparkle.
    All diamonds on this page were selected for their natural sparkle.

  4. Consider the the color of the surrounding setting when selecting the color of the diamond. It is best to contrast yellow or brown diamonds with a white metal such as platinum, titanium or white gold. Yellow gold settings look best with green,  red, white diamonds.

  5. Work with your jewelry designer when designing the final setting to determine the best orientation for the crystal. Rough diamonds are asymmetric and appearance can vary greatly depending on which faces you are looking through. Identify the best faces and then design the setting accordingly. Be orienting the diamond properly you can hide inclusions/flaws, enhance the color, and get maximum sparkle.

 

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.

  To purchase mineral specimens, go to the Online order form.

Diamond (0.75 carat cuttable very-pale-yellow macle, twinned crystal) for sale from Diavik Mine, East Island, Lac de Gras, Northwest Territories, Canada
#73556, Diamond (0.75 carat cuttable very-pale-yellow macle, twinned crystal), Diavik Mine, Canada (t) $1145

Diamond (2.17 carat superb cuttable gem-grade pale-yellow complex crystal) for sale from Almazy Anabara Mine, Sakha (Yakutia) Republic, Siberia, Russia
#73539, Diamond (2.17 carat superb cuttable gem-grade pale-yellow complex crystal), Almazy Anabara Mine, Russia (t) $7195

Diamond (1.01 carat cuttable gem-grade pale-gray octahedral crystal) for sale from Lunda Norte, Angola
#73567, Diamond (1.01 carat cuttable gem-grade pale-gray octahedral crystal), Angola (t) $1075

Diamond (0.76 carat yellow gem-grade cuttable octahedral crystal) for sale from Jwaneng Mine, Naledi River Valley, Botswana
#73555, Diamond (0.76 carat yellow gem-grade cuttable octahedral crystal), Jwaneng Mine, Botswana (t) $795

Diamond (3.81 carat superb gem-grade cuttable cognac-colored twinned crystals) for sale from Orapa Mine, south of the Makgadikgadi Salt Plains, Botswana
#73563, Diamond (3.81 carat superb gem-grade cuttable cognac-colored twinned crystals), Orapa Mine, Botswana (t) $8360

Diamond (1.63 carat superb cuttable gem-grade green octahedral crystal) for sale from Almazy Anabara Mine, Sakha (Yakutia) Republic, Siberia, Russia
#73561, Diamond (1.63 carat superb cuttable gem-grade green octahedral crystal), Almazy Anabara Mine, Russia (t) $6575

Diamond (1.42 carat cuttable fancy intense-green octahedral crystal) for sale from Almazy Anabara Mine, Sakha (Yakutia) Republic, Siberia, Russia
#72249, Diamond (1.42 carat cuttable fancy intense-green octahedral crystal), Almazy Anabara Mine, Russia (t) $4375

Diamond (1.75 carat yellow cuttable gem-grade complex crystal) for sale from Sakha (Yakutia) Republic, Siberia, Russia
#73014, Diamond (1.75 carat yellow cuttable gem-grade complex crystal), Sakha (Yakutia) Republic, Russia (t) $5250

Diamond (3.88 carat cuttable gem-grade yellow-gray complex crystal) for sale 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 (1.41 carat yellow cuttable gem-grade complex crystal) for sale from Sakha (Yakutia) Republic, Siberia, Russia
#73012, Diamond (1.41 carat yellow cuttable gem-grade complex crystal), Sakha (Yakutia) Republic, Russia (t) $4250

Diamond (0.74 carat cuttable very-pale-yellow macle, twinned crystal) for sale from Diavik Mine, East Island, Lac de Gras, Northwest Territories, Canada
#73557, Diamond (0.74 carat cuttable very-pale-yellow macle, twinned crystal), Diavik Mine, Canada (t) $1125

Diamond (0.90 carat fancy-yellow gem-grade cuttable dodecahedral crystal) for sale from Jwaneng Mine, Naledi River Valley, Botswana
#73537, Diamond (0.90 carat fancy-yellow gem-grade cuttable dodecahedral crystal), Jwaneng Mine, Botswana (t) $1025

Diamond (1.37 carat superb gem-grade cuttable green asymmetric octahedral crystal) for sale from Almazy Anabara Mine, Sakha (Yakutia) Republic, Siberia, Russia
#73568, Diamond (1.37 carat superb gem-grade cuttable green asymmetric octahedral crystal), Almazy Anabara Mine, Russia (t) $5775

Diamond (1.92 carat superb gem-grade cuttable pale-yellow complex crystal) for sale from Almazy Anabara Mine, Sakha (Yakutia) Republic, Siberia, Russia
#73540, Diamond (1.92 carat superb gem-grade cuttable pale-yellow complex crystal), Almazy Anabara Mine, Russia (t) $6995

Diamond (2.32 carat superb cuttable gem-grade pale-yellow octahedral crystal) for sale from Almazy Anabara Mine, Sakha (Yakutia) Republic, Siberia, Russia
#73542, Diamond (2.32 carat superb cuttable gem-grade pale-yellow octahedral crystal), Almazy Anabara Mine, Russia (t) $7655

Diamond (0.65 carat gem-grade yellow dodecahedral crystal) for sale from Almazy Anabara Mine, Sakha (Yakutia) Republic, Siberia, Russia
#73293, Diamond (0.65 carat gem-grade yellow dodecahedral crystal), Almazy Anabara Mine, Russia (t) $575

Diamond (0.61 carat pale-yellow dodecahedral crystal) for sale from Almazy Anabara Mine, Sakha (Yakutia) Republic, Siberia, Russia
#73294, Diamond (0.61 carat pale-yellow dodecahedral crystal), Almazy Anabara Mine, Russia (t) $420

Diamond (0.81 carat yellow octahedral crystal) for sale from Almazy Anabara Mine, Sakha (Yakutia) Republic, Siberia, Russia
#73296, Diamond (0.81 carat yellow octahedral crystal), Almazy Anabara Mine, Russia (t) $550

Diamond (1.54 carat gem-grade cuttable pale-yellow octahedral crystal) for sale from Almazy Anabara Mine, Sakha (Yakutia) Republic, Siberia, Russia
#73300, Diamond (1.54 carat gem-grade cuttable pale-yellow octahedral crystal), Almazy Anabara Mine, Russia (t) $5085

Diamond (1.52 carat yellow cuttable gem-grade complex crystal) for sale from Sakha (Yakutia) Republic, Siberia, Russia
#73007, Diamond (1.52 carat yellow cuttable gem-grade complex crystal), Sakha (Yakutia) Republic, Russia (t) $4525

Diamond (4.10 carat cognac-colored gem-grade tetrahexahedral crystal) for sale from Argyle Mine, Kimberley, Western Australia, Australia
#73291, Diamond (4.10 carat cognac-colored gem-grade tetrahexahedral crystal), Argyle Mine, Australia (t) $4425

Diamond (1.97 carat gem-grade cuttable pale-yellow complex crystal) for sale from Almazy Anabara Mine, Sakha (Yakutia) Republic, Siberia, Russia
#73299, Diamond (1.97 carat gem-grade cuttable pale-yellow complex crystal), Almazy Anabara Mine, Russia (t) $6495

Diamond (2.35 carat gem-grade cuttable pale-yellow complex crystal) for sale from Almazy Anabara Mine, Sakha (Yakutia) Republic, Siberia, Russia
#73297, Diamond (2.35 carat gem-grade cuttable pale-yellow complex crystal), Almazy Anabara Mine, Russia (t) $7590

Diamond (2.37 carat gem-grade cuttable pale-yellow octahedral crystal) for sale from Almazy Anabara Mine, Sakha (Yakutia) Republic, Siberia, Russia
#73298, Diamond (2.37 carat gem-grade cuttable pale-yellow octahedral crystal), Almazy Anabara Mine, Russia (t) $7820

Diamond (0.66 carat fancy-yellow asymmetric dodecahedral crystal) for sale from Northern Cape Province, South Africa
#72847, Diamond (0.66 carat fancy-yellow asymmetric dodecahedral crystal), South Africa (t) $565

Diamond (0.89 carat fancy-intense green complex crystal) for sale from Almazy Anabara Mine, Sakha (Yakutia) Republic, Siberia, Russia
#72842, Diamond (0.89 carat fancy-intense green complex crystal), Almazy Anabara Mine, Russia (t) $2175

Diamond (0.94 carat fancy orange-brown distorted dodecahedral crystal) for sale from Northern Cape Province, South Africa
#72846, Diamond (0.94 carat fancy orange-brown distorted dodecahedral crystal), South Africa (t) $785

Diamond (1.27 carat pale-brown elongated macle, twinned crystal) for sale from Northern Cape Province, South Africa
#72837, Diamond (1.27 carat pale-brown elongated macle, twinned crystal), South Africa (t) $1420

Diamond (0.97 carat fancy orange-brown elongated dodecahedral crystal) for sale from Northern Cape Province, South Africa
#72845, Diamond (0.97 carat fancy orange-brown elongated dodecahedral crystal), South Africa (t) $795

Diamond (1.72 carat yellow-orange curved crystal) for sale from Northern Cape Province, South Africa
#72844, Diamond (1.72 carat yellow-orange curved crystal), South Africa (t) $1295

Diamond (1.87 carat cuttable pale-brown elongated crystal) for sale from Northern Cape Province, South Africa
#72836, Diamond (1.87 carat cuttable pale-brown elongated crystal), South Africa (t) $2055

Diamond (0.93 carat fancy-intense green complex crystal) for sale from Almazy Anabara Mine, Sakha (Yakutia) Republic, Siberia, Russia
#72841, Diamond (0.93 carat fancy-intense green complex crystal), Almazy Anabara Mine, Russia (t) $2275

Diamond (2.93 carat pale-gray macle, twinned crystal with radial inclusions) for sale from Northern Cape Province, South Africa
#72834, Diamond (2.93 carat pale-gray macle, twinned crystal with radial inclusions), South Africa (t) $2410

Diamond (1.58 carat gem-grade fancy-yellow macle, twinned crystal) for sale from Orapa Mine, south of the Makgadikgadi Salt Plains, Botswana
#72839, Diamond (1.58 carat gem-grade fancy-yellow macle, twinned crystal), Orapa Mine, Botswana (t) $5225

Diamond (2.56 carat cuttable gem-grade pale-gray octahedral crystal) for sale from Northern Cape Province, South Africa
#72835, Diamond (2.56 carat cuttable gem-grade pale-gray octahedral crystal), South Africa (t) $2535

Diamond (2.11 carat cuttable gem-grade yellow octahedral crystal) for sale from Premier Mine, Gauteng Province, South Africa
#72838, Diamond (2.11 carat cuttable gem-grade yellow octahedral crystal), Premier Mine, South Africa (t) $5575

Diamond (0.66 carat cuttable pale-yellow complex crystal) for sale from Orapa Mine, south of the Makgadikgadi Salt Plains, Botswana
#72567, Diamond (0.66 carat cuttable pale-yellow complex crystal), Orapa Mine, Botswana (t) $455

Diamond (1.52 carat cuttable fancy-green macle, twinned crystal) for sale from Almazy Anabara Mine, Sakha (Yakutia) Republic, Siberia, Russia
#72248, Diamond (1.52 carat cuttable fancy-green macle, twinned crystal), Almazy Anabara Mine, Russia (t) $4680

Diamond (0.72 carat cuttable fancy-yellow octahedral crystal) for sale from Northern Cape Province, South Africa
#72572, Diamond (0.72 carat cuttable fancy-yellow octahedral crystal), South Africa (t) $1050

Diamond (1.29 carat fancy yellowish-green flattened dodecahedral crystal) for sale from Oranjemund District, southern coastal Namib Desert, Namibia
#72570, Diamond (1.29 carat fancy yellowish-green flattened dodecahedral crystal), Oranjemund District, Namibia (t) $1695

Diamond (0.64 carat cuttable yellow-green tetrahexahedral crystal) for sale from Oranjemund District, southern coastal Namib Desert, Namibia
#72565, Diamond (0.64 carat cuttable yellow-green tetrahexahedral crystal), Oranjemund District, Namibia (t) $875

Diamond (1.92 carat green macle, twinned crystal) for sale from east of Kérouané, Guinea
#72562, Diamond (1.92 carat green macle, twinned crystal), Guinea (t) $4150

Diamond (1.71 carat fancy yellowish-green irregular crystal) for sale from Almazy Anabara Mine, Sakha (Yakutia) Republic, Siberia, Russia
#72568, Diamond (1.71 carat fancy yellowish-green irregular crystal), Almazy Anabara Mine, Russia (t) $1505

Diamond (1.76 carat cuttable flawless pale-yellow octahedral crystal) for sale from Matto Grosso, Brazil
#72563, Diamond (1.76 carat cuttable flawless pale-yellow octahedral crystal), Brazil (t) $4650

Diamond (4.50 carat pale-gray flattened complex crystal cluster) for sale from Oranjemund District, southern coastal Namib Desert, Namibia
#72556, Diamond (4.50 carat pale-gray flattened complex crystal cluster), Oranjemund District, Namibia (t) $5050

Diamond (1.79 carat cuttable gem-grade fancy yellow-sherry tetrahexahedral crystal) for sale 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 (2.12 carat gem-grade cuttable pale-yellow octahedral crystal) for sale from Premier Mine, Gauteng Province, South Africa
#72558, Diamond (2.12 carat gem-grade cuttable pale-yellow octahedral crystal), Premier Mine, South Africa (t) $4750

Diamond (1.18 carat fancy-green dodecahedral crystal) for sale from Ippy, northeast of Banghi (Bangui), Central African Republic
#72560, Diamond (1.18 carat fancy-green dodecahedral crystal), Ippy, Central African Republic (t) $7750

Diamond (2.65 carat gem-grade cuttable pale-yellow octahedral crystal) for sale from Jericho Mine, Nunavut, Canada
#72557, Diamond (2.65 carat gem-grade cuttable pale-yellow octahedral crystal), Jericho Mine, Canada (t) $8950

Diamond (1.96 carat gem-grade cuttable colorless complex crystal) for sale from Orapa Mine, south of the Makgadikgadi Salt Plains, Botswana
#72554, Diamond (1.96 carat gem-grade cuttable colorless complex crystal), Orapa Mine, Botswana (t) $12005

Diamond (3.66 carat gem-grade cuttable yellow octahedral crystal) for sale from Northern Cape Province, South Africa
#72555, Diamond (3.66 carat gem-grade cuttable yellow octahedral crystal), South Africa (t) $13600

Diamond (0.90 carat cuttable fancy-yellow octahedral crystal) for sale 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 (0.97 carat pale-brown irregular crystal) for sale from Argyle Mine, Kimberley, Western Australia, Australia
#63794, Diamond (0.97 carat pale-brown irregular crystal), Argyle Mine, Australia (t) $960

Diamond (3.11 carat gem-grade cuttable yellow-gray cubo-octahedral crystal) for sale 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 (3.85 carat brown flattened complex crystal) for sale from Damtshaa Mine, near Orapa, Botswana
#62144, Diamond (3.85 carat brown flattened complex crystal), Damtshaa Mine, Botswana (t) $2585

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

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

Diamond (1.52 carat gem-grade yellow tetrahexahedral crystal) for sale from Almazy Anabara Mine, Sakha (Yakutia) Republic, Siberia, Russia
#72250, Diamond (1.52 carat gem-grade yellow tetrahexahedral crystal), Almazy Anabara Mine, Russia (t) $4725

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

Diamond (1.36 carat gem-grade cuttable yellow octahedral crystal) for sale 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 (4.00 carat gem-grade pale yellow-green octahedral crystal) for sale from Mirny, Sakha (Yakutia) Republic, Siberia, Russia
#70943, Diamond (4.00 carat gem-grade pale yellow-green octahedral crystal), Mirny, Russia (t) $7040

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

Diamond (2.00 carat brown asymmetric dodecahedral crystal) for sale from Argyle Mine, Kimberley, Western Australia, Australia
#70684, Diamond (2.00 carat brown asymmetric dodecahedral crystal), Argyle Mine, Australia (t) $985

Diamond (1.04 carat yellow octahedral crystal) for sale from Oranjemund District, southern coastal Namib Desert, Namibia
#39328, Diamond (1.04 carat yellow octahedral crystal), Oranjemund District, Namibia (t) $830

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

Diamond (3.31 carats four polished slices from a single crystal with sector-zoned inclusions ) from Zimbabwe
#65742, Diamond (3.31 carats four polished slices from a single crystal with sector-zoned inclusions ), Zimbabwe (t) $2995

Diamond (4.89 carats four polished slices from a single crystal with sector-zoned inclusions ) from Zimbabwe
#65741, Diamond (4.89 carats four polished slices from a single crystal with sector-zoned inclusions ), Zimbabwe (t) $4395

 

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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.