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

Diamond Crystal - Natural Crystals of Genuine Diamond - Loose Uncut Diamonds

Follow the links below to the different 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.

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 (0.79 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 (1.27 carat gem-grade pale-yellow dodecahedral crystal) from Premier Mine, Gauteng Province (formerly Transvaal), South Africa
#39012, Diamond (1.27 carat gem-grade pale-yellow dodecahedral crystal), Premier Mine, South Africa (t) $1825

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 (2.48 carat yellow octahedral crystal) from Diamantino, Mato Grosso, Brazil
#28079, Diamond (2.48 carat yellow octahedral crystal), Diamantino, Brazil (t) $8900

Diamond (2.12 carat gem-grade pale-yellow octahedral crystal) from Premier Mine, Gauteng Province (formerly Transvaal), South Africa
#38949, Diamond (2.12 carat gem-grade pale-yellow octahedral crystal), Premier Mine, South Africa (t) $3950

Diamond (2.13 carat gem-grade pale-yellow octahedral crystal) from Premier Mine, Gauteng Province (formerly Transvaal), South Africa
#38789, Diamond (2.13 carat gem-grade pale-yellow octahedral crystal), Premier Mine, South Africa (t) $3975

Diamond (1.03 carat pale-yellow octahedral crystal) from Orapa Mine, south of the Makgadikgadi Salt Plains, Botswana
#38785, Diamond (1.03 carat pale-yellow octahedral crystal), Orapa Mine, Botswana (t) $565

Diamond (2.95 carat gem-grade colorless irregular crystal) from Venetia Mine, Limpopo Province, South Africa
#39069, Diamond (2.95 carat gem-grade colorless irregular crystal), Venetia Mine, South Africa (t) $2950

Diamond (2.11 carat gem-grade yellow octahedral crystal) from Premier Mine, Gauteng Province (formerly Transvaal), South Africa
#39336, Diamond (2.11 carat gem-grade yellow octahedral crystal), Premier Mine, South Africa (t) $4995

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 (0.59 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 (0.84 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 (2.09 carat light-fancy yellow complex crystal) from Northern Cape Province, South Africa
#41143, Diamond (2.09 carat light-fancy yellow complex crystal), South Africa (t) $4000

Click here to see

Minerals For Sale

See more diamonds in these galleries:

Diamond Crystals under 1 carat

Diamond Crystals 1-2 carats

Diamond Crystals under 2-5 carats

Diamond Crystal in unusual crystals and clusters

Diamond Crystals over 5 carats

Diamond Beads

Diamonds Priced under $200

Diamonds Priced $200 -$399

Diamonds Priced $400 - $999 

Diamonds Priced $1000 and above

Gem-Grade Diamonds

Diamond Crystals for Use in Natural Diamond Jewelry

Guided Tour of the Mineral Galleries...

Diamond Crystals over 5 carats

Diamond Crystals for Use in Natural Diamond Jewelry

Online order form

Visit our other galleries with the links below:

Weekly New Listings 1A- 1B - 2 - 3 - 4

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