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Type of diamond that has not been cut
A rough diamond is a diamond that has not been cut or processed. They come in a variety of naturally occurring shapes, including octahedral (eight-sided
Rough_diamond
Type of cut used when shaping a diamond
of a diamond. The cut of a diamond greatly affects a diamond's brilliance—a poorly-cut diamond is less luminous. In order to best use a diamond gemstone's
Diamond_cut
Faceting of a rough diamond to increase its brilliance
Diamond cutting is the practice of shaping a diamond from a rough stone into a faceted gem. Cutting diamonds requires specialized knowledge, tools, equipment
Diamond_cutting
Largest gem-quality diamond ever discovered
The Cullinan Diamond is the largest gem-quality rough diamond ever found, weighing 3,106 carats (621.20 g), discovered at the Premier No.2 mine in Cullinan
Cullinan_Diamond
Large diamond discovered in 1893
rough diamond of gem quality ever found. It was ultimately cut into ten stones weighing from 13 to 68 carats (2.6 to 13.6 g). The Excelsior Diamond was
Excelsior_Diamond
2009 single by MAX
"Rough Cut Diamond" (ラフカット ダイアモンド, Rafukutto Daiamondo) is MAX's 31st single under the Sonic Groove label. It was released on July 22, 2009 and was MAX's
Rough_Cut_Diamond
Largest cut natural diamond in the world
largest cut natural diamond in the world, sculpted into the shape of a falcon's head. Weighing 612.34 carats, it was fashioned from an 887.22-carat rough black
Black_Falcon_(diamond)
Form of carbon
traditional diamond trading centers, the most important being Antwerp, where 80% of all rough diamonds, 50% of all cut diamonds and more than 50% of all rough, cut
Diamond
Shaping a gemstone for use in jewelry
inclusions in a rough stone will determine the type of shape to which a diamond may be cut. For economic reasons, most diamonds are cut to retain weight
Cut_(gems)
Largest known red diamond
of Minas Gerais. The rough stone weighed 13.9 carats (2.78 g). The diamond was purchased and cut by the William Goldberg Diamond Corp., where it went
Moussaieff_Red_Diamond
1980 film by Don Siegel
Rough Cut is a 1980 American heist film written by Larry Gelbart, directed by Don Siegel, and starring Burt Reynolds, Lesley-Anne Down and David Niven
Rough_Cut_(1980_film)
Gemstone cut with many facets to increase the brilliance
shape of rough diamonds, often octahedral crystals. Around the 1500s, polishing and cutting inventions made it possible to shape diamonds better, cut facets
Brilliant_(gemstone_cut)
Gemstone
Annual global rough diamond production was estimated to be about 135 million carats (27.0 tonnes; 30 short tons) for 2014, of which 92% was cut and polished
Diamond_(gemstone)
1982 album by Bad Company
Rough Diamonds is the sixth studio album by the English rock band Bad Company. The album was released in August 1982. Rough Diamonds, like its predecessor
Rough_Diamonds_(album)
Diamond mined in conflict areas
black market. According to the Kimberley Process, 2023 global trade in rough diamonds totaled approximately 112 million carats. Similar terms, such as conflict
Blood_diamond
1993 single by Dinosaur Jr.
(25 September 2019). "Dinosaur Jr.'s Reissued 'Where You Been' Is a Rough-Cut Diamond". PopMatters. "Back cover". Start Choppin (12" Vinyl). Dinosaur Jr
Start_Choppin
2009 film by Lee Daniels
Sharkey, of the Los Angeles Times described the film as being a "rough-cut diamond... [A] rare blend of pure entertainment and dark social commentary
Precious_(film)
Notable individual diamonds
attainable. Wikimedia Commons has media related to Diamonds. List of largest rough diamonds List of Golconda diamonds List of emeralds by size List of individual
List_of_diamonds
Area within the city of Antwerp, Belgium
approximately 50% of the rough diamonds return to Antwerp for cutting and polishing such as The Black Falcon, the world's largest cut diamond. Over $16 billion
Antwerp_diamond_district
Diamond type
pear-shaped diamond at 203.04 carat (40.608 g), the Heart of Eternity Diamond, a 27.64 carat (5.582 g) heart-cut blue diamond, and the Moussaieff Red Diamond, the
Pink_Star_(diamond)
At one time the largest cut diamond in the world
Jubilee Diamond or Phet Kanchanaphisek (Thai: เพชรกาญจนาภิเษก) is a 545.67 carats (109.134 g) brown diamond and was the largest cut and faceted diamond known
Golden_Jubilee_Diamond
Diamond-cutting and trading in Israel
The diamond industry of Israel is an important world player in producing cut diamonds for wholesale. In 2010, Israel became the chair of the Kimberley
Diamond_industry_in_Israel
Dutch diamond-cutting company
Excelsior diamond was the largest diamond found, to date. The gem required expert handling to be properly carved: inclusions within the rough diamond prevented
Royal_Asscher_Diamond_Company
Pear-shaped 33.74 carat (6.748 g) black diamond
Diamond is a black diamond weighing 33.74 carats (6.748 g), and has 145 facets. It is in a pear shape, and cut from a 55.85 carats (11.170 g) rough.
Amsterdam_Diamond
Most common color variety of natural diamonds
color in diamond and ways to alter it. The Golden Jubilee Diamond is the largest cut diamond in the world. It was found in 1985 as a rough stone of 755
Brown_diamond
1972 studio album by John Prine
Diamonds in the Rough is the second studio album by American country-folk singer-songwriter John Prine, released in 1972. Diamonds in the Rough was recorded
Diamonds_in_the_Rough_(album)
Pink diamond discovered in Australia
Jubilee is a rough pink diamond and the largest rough pink diamond unearthed in Australia. It was found at the Rio Tinto Argyle diamond mine in Western
Argyle_Pink_Jubilee
News (in Japanese). Retrieved August 7, 2019. "MAX Oricon Music". "Rough Cut Diamond Bows in the Top 30". Archived from the original on July 7, 2011. "Cat's
MAX_discography
Historic 45.52-carat diamond of deep-blue color
split a rough uncut stone into smaller flawless parts before the process of faceting the stone takes place. Only a diamond can scratch another diamond, so
Hope_Diamond
Topics referred to by the same term
rough diamond in Wiktionary, the free dictionary. Rough Diamond or Rough Diamonds may refer to: Rough diamond, a diamond which has not yet been cut Rough
Rough_Diamond
1983 single by Anri, covered by MAX in 2010
Label Sonic Groove Composer Yūichirō Oda Lyricist Yoshiko Miura MAX singles chronology "Rough Cut Diamond" (2009) "Cat's Eye" (2010) "Tacata" (2013)
Cat's_Eye_(song)
Twenty-nine smaller diamonds were carved from the larger rough Vargas Diamond including the 48.26-carat (9.652 g) emerald cut diamond named "President Vargas"
Vargas_Diamond
Jersey diamond mining company
rough and polished diamond. It has the world's third-largest resource of diamonds. The company is listed on the London Stock Exchange. Petra Diamonds
Petra_Diamonds
Historic yellow diamond
Tuscany, the Austrian Diamond, Austrian Yellow Diamond, and the Dufner Diamond. The stone's origins are disputed. By one account, it was cut by Lodewyk van Bercken
Florentine_Diamond
Colourless, cushion-shaped diamond weighing 245.35 carats
a rough octahedron weighing 650.80 carats (130.16 g), was discovered in 1895 at the Jagersfontein Mine in South Africa. A consortium of diamond merchants
Jubilee_Diamond
Large diamond
pear-shaped diamond of 53.96 carats (10.792 g). Six of the diamonds cut from the original rough were later set by Harry Winston into the "Star of Sierra
Star_of_Sierra_Leone
4th largest diamond, found 2015
jeweller Graff bought the rough diamond for $53 million in 2017. By April 2019, Graff had cut it into one large emerald cut diamond, the Graff Lesedi La Rona
Lesedi_La_Rona
1993 single by Dinosaur Jr.
May 2019. Soulsby, Nick (25 September 2019). "Dinosaur Jr.'s Reissued 'Where You Been' Is a Rough-Cut Diamond". PopMatters. Retrieved 10 October 2019.
Out_There_(Dinosaur_Jr._song)
Large cut diamond
cut diamonds in the world, weighing an estimated 182 carats (36 g). Its colour, pale pink, is one of the rarest to be found in diamonds. The diamond is
Daria-i-Noor
This is a partial list of the largest non-synthetic diamonds with a rough stone (uncut) weight of over 200 carats (40 grams). The list is not intended
List of largest rough diamonds
List_of_largest_rough_diamonds
2000 studio album by Bill Wyman's Rhythm Kings
Taylor) – 3:04 "Groovin'" (Eddie Brigati, Felix Cavaliere) – 3:31 "Rough Cut Diamond" (Wyman, Taylor) – 4:05 "Mood Swing" (Keith Sewell, Nial Toner, Wendy
Groovin' (Bill Wyman's Rhythm Kings album)
Groovin'_(Bill_Wyman's_Rhythm_Kings_album)
British multinational jewelry company
high-clarity emerald cut diamond. It is the main stone cut from the Lesedi La Rona, bought by Graff in 2017 and cut in 2019. The cutting of the rough stone also
Graff_(jewellers)
British rock band
Really Want Me Back" Bonus tracks "Comin' On Strong (2)" "Fire Me Up" "Rough Cut Diamonds" "Running Out" The band's only hit "Comin' On Strong", appears in
Broken_English_(band)
Large South African diamond
contemplating the diamond for almost a year, Winston chose Lazare Kaplan to study the Jonker diamond. Lazare Kaplan was chosen to cut the diamond into several
The_Jonker
Especially large diamond mine in South Africa
for its production of blue diamonds. A similar 26.6-carat (5.32 g) blue rough diamond recovered by Petra in May 2009 was cut into a near perfect stone
Premier_Mine
2006 American political thriller film by Edward Zwick
origin of rough diamonds to curb the trade in conflict diamonds; the certification scheme has been mostly abandoned as ineffective. Blood Diamond was released
Blood_Diamond
International corporation specialising in diamonds
controlled 80% to 85% of rough diamond distribution and was considered a monopoly. By 2000, the company's control of the world diamond supply decreased to
De_Beers
Australian diamond mining company
Alberta, Canada, a rough diamond sales office in Antwerp, Belgium, and a cut and polishing facility in Perth, Australia. Burgundy Diamond Mines Limited was
Burgundy_Diamond_Mines
Fourth largest rough diamond ever found
Sewelô diamond is the fourth-largest rough diamond ever found. The diamond was recovered in April 2019 by the Lucara Diamond Corp in its Karowe diamond mine
Sewelô
Former diamond mine in Western Australia
blue diamonds. Mining operations ceased in November 2020, after 37 years of operations and producing more than 865 million carats of rough diamonds. Mine
Argyle_diamond_mine
Gemstone that has been shaped and polished
of the rough rock with a slab saw, and then stencilling a shape from a template. The slab is then trimmed near the marked line using a diamond blade saw—called
Cabochon
American diamond found 1924
Wesley Oley Basham, a worker at the Arkansas Diamond Corporation. The rough diamond as originally discovered weighed 40.23 carats (8.046 g). It was faceted
Uncle_Sam_(diamond)
One of the largest yellow diamonds ever discovered
Tiffany Yellow Diamond is one of the largest yellow diamonds ever discovered. Its carat weight was originally 287.42 carats (57.484 g) in the rough when discovered
Tiffany_Yellow_Diamond
Antique Indian diamonds
which is a form of rough diamond that is used to produce jewellery, was first developed in the Golconda region. Of the 38 diamond mines in India at the
Golconda_diamonds
Diamond found in India
described the diamond thus: "The stone is of the same form as if one cut an egg through the middle". The 787-carat (157.4 g) rough diamond was given by
Great_Mogul_Diamond
Diamond with prior use
to Reuters, the lack of quality rough diamonds has been one of the main reasons for the rise of the recycled diamond industry in recent times. Mined production
Recycled_diamond
Japanese female vocal group
tour. On the first night of the tour, their first comeback single, "Rough Cut Diamond" was announced. It was released on July 22, 2009. In late 2009, the
MAX_(group)
Flat surface of a gem, crystal, etc
diamond cutting techniques were simply to polish the natural shape of rough diamonds, often octahedral crystals. It wasn't until the 14th century that faceting
Facet
Diamond given to Princess Elizabeth
Mountbatten in 1947. The 54.5-carat (11 g) rough diamond was discovered on the surface of the Williamson diamond mine in Tanganyika in October 1947. A few
Williamson_pink_diamond
Large cut diamond
The Koh-i-Noor (/ˌkoʊɪˈnʊər/ KOH-in-OOR) is one of the largest cut diamonds in the world, weighing 105.6 carats (21.12 g). It is currently set in the Crown
Koh-i-Noor
Large diamond, probably from Ottoman Empire
Ahmedabad, a 157.25-ct rough diamond purchased in India in the mid-17th century by Tavernier, the French gem merchant. He later had it cut to a 94.78-ct pear
Star_of_the_East_(diamond)
River diamond had a broadly lozenge shape, measuring 71 × 53 × 32 millimetres (2.8 × 2.1 × 1.3 in), with one unusually flat cleavage plane. The rough diamond
Woyie_River_diamond
Type of diamond that has pink color
these diamonds undergo during their formation. Pink diamonds belong to a category of diamonds called color diamonds, the generic name for all diamonds that
Pink_diamond
Diamond
finished stones were unveiled. The largest gem cut from the crystal is a 75 carats (15.0 g) pear-shaped diamond, and the smallest is a 0.55 carats (0.110 g)
Lesotho_Promise
there is no universal world price per gram for diamonds. The industry refers to price guides. Rough diamond prices have historically been impacted by the
Diamonds_as_an_investment
Diamond created by controlled processes
that 98% of industrial-grade diamond demand is supplied with synthetic diamonds. Both CVD and HPHT diamonds can be cut into gems, and various colors
Synthetic_diamond
American jeweler (1896–1978)
28 oz) rough diamond out of his pocket and rolled it across the table. Winston picked up the stone, smiled, and said simply, "Thanks." It was cut into five
Harry_Winston
Impure form of polycrystalline diamond
(carbonado) – Largest known rough diamond Spirit of de Grisogono Diamond – One of the world's largest cut black diamonds Superhard material – Material
Carbonado
Belgian diamond cutter (1939–2023)
The diamond was a 755.50-carat (151.100 g) rough stone. It presents 148 facets, has a yellow-brown color intensified by the brilliant cushion cut. The
Gabi_Tolkowsky
One of the largest pink diamonds in the world
Table diamond. That larger diamond is thought to have been cut in two, with one section becoming the Noor-ol-Ain and the other the Daria-i-Noor diamond. Both
Noor-ol-Ain
Color due to impurities or crystal lattice defects in diamond
colored diamonds, including red diamonds. Color grading of diamonds was performed as a step of sorting rough diamonds for sale by the London Diamond Syndicate
Diamond_color
particles of diamond on the grinding wheel are randomly oriented, so some of them will be aligned with the harder axes toward the rough diamond to be cut. The
Faceting_machine
1994 Australian film
Rough Diamonds is a 1994 Australian film directed by Donald Crombie. It was the first lead role in a feature for Jason Donovan. Jason Donovan as Mike Tyrell
Rough_Diamonds_(film)
Public diamond mine and state park in Arkansas, United States
2024. Southern, Keiran (January 25, 2024). "French tourist finds diamond in the rough at US state park". The Times. Retrieved October 2, 2024. Murray,
Crater_of_Diamonds_State_Park
2011 film directed by Lauren Montgomery
boss called Rough Cut and his smuggling ring to an end, stumbling upon a mysterious cargo shipment far worse than just smuggled diamonds. The film starts
DC_Showcase:_Catwoman
Antitrust class action against De Beers
The De Beers diamonds antitrust class action sought to end an alleged 60-year conspiracy to fix the price of rough diamonds in the U.S. by the De Beers
De_Beers_antitrust_litigation
274-carat diamond
grade of colourless diamond and is internally and externally flawless. It was named the Centenary Diamond as it was presented in the rough for the Centennial
Centenary_Diamond
Mine in Botswana
Lucara Diamond for $49 million. Later, Lucara acquired full ownership of the mine. The mine was commissioned in 2012. In June, the first sale of rough diamonds
Karowe_diamond_mine
American songwriter and producer (born 1989)
"Who's Who" Single (2024) "Forgot To Take A Picture" Single (2024) "Rough Cut Diamond" Single (2025) "I Care What You Think" Due West —N/a "Move Like That"
Jimmy_Robbins
Diamond weighing 68 carats (13.6 g)
Awards. The original rough diamond was found in 1966 in the Premier Mine in South Africa, weighing 241 carats (48.2 g). Harry Winston cut it into the shape
Taylor–Burton_Diamond
Stage in the film editing process or an alternate version of a film
assembly/rough cut, where all selected takes are put together in the order in which they should appear in the film. Next, the editor's cut is reduced
Director's_cut
moderate dispersion (0.044) properties that give cut diamonds their brilliance. Scientists classify diamonds into four main types according to the nature
Material properties of diamond
Material_properties_of_diamond
Diamond exchange in Tel Aviv District, Israel
complex was opened, the 32-story Diamond Tower. For many years the supply of rough diamonds was dominated by the Diamond Trading Company Sightholders, a
Israel_Diamond_Exchange
Hatton Garden". www.hatton-garden.london. Retrieved 2025-10-15. Moore, Marcus J. (2014-09-12). "Rough Cuts". Washington City Paper. Retrieved 2026-02-12.
Diamond_district
The Great Chrysanthemum Diamond is a famous diamond measuring 104.15 carats (20.830 g) with a pear-shaped modified brilliant cut, rated in colour as Fancy
Great_Chrysanthemum_Diamond
2006 single by MAX
chronology "Anata wo Omou Hodo" (2005) "Splash Gold -夏の奇跡-" "Prism of Eyes" (2006) "Rough Cut Diamond" (2009) Alternative cover The cover for the CD edition
Splash Gold (Natsu no Kiseki)/Prism of Eyes
Splash_Gold_(Natsu_no_Kiseki)/Prism_of_Eyes
2nd largest diamond found in Russia or the territory of the former USSR, as of 2016
Pushkin. It is kept in the Russian Diamond Fund (Moscow Kremlin). List of diamonds List of largest rough diamonds "АЛРОСА добыла в Якутии алмаз в 235
Alexander_Pushkin_(diamond)
Diamond mine in Lesotho
carats). Mining industry of Lesotho List of largest rough diamonds List of diamonds "Big diamond discovery in Africa". Finance 24. Fin24.com. 13 September
Letseng_diamond_mine
American jewelry company
diamonds; as a whole, "ruff and cut" is a play on words referring to rough and cut diamonds, as well as the ruff sandpiper. Although the company was officially
Ruff&Cut
Diamond discovered in India
808 g) cut diamond discovered in Vadodara (Baroda), India. The diamond, canary yellow in colour, is cut in a pear shape. When found, the rough diamond weighed
Moon_of_Baroda
Internally flawless 8.1 gram yellow diamond from South Africa with a debated ownership
The Golden Eye Diamond is a Internally flawless 40.53-carat (8.106 g) Fancy Vivid Yellow diamond, claimed by one of its past owners to be the world's
Golden_Eye_Diamond
Imperfections in diamond crystals
for diamond cutters as a diamond only cuts against its natural grain lines and never with the grain. One will always find graining in rough diamonds known
Diamond_flaw
Russian diamond mining company
of the European Commission. Now Alrosa independently distributes its rough diamond production on the world market. Through 1980, the rapid development
Alrosa
child labour was prospering in the diamond industry in Western India, where the majority of the world's diamonds are cut and polished while workers are often
Child labour in the diamond industry
Child_labour_in_the_diamond_industry
Type of saw
glass, cast iron, and brick.[citation needed] Diamond-grit blades are extremely versatile, as they can cut rough materials such as hard porcelain tile, granite
Jigsaw_(tool)
205.07 carat yellow diamond
The Red Cross Diamond is a canary-yellow 205.07-carat, cushion-shaped cut diamond which is among the largest known cut diamonds. The diamond was auctioned
Red_Cross_Diamond
Diamond mine in India
ISBN 978-1-107-10832-5. Ralf Tappert; Michelle C. Tappert (2011). Diamonds in Nature: A Guide to Rough Diamonds. Springer Science & Business Media. p. 55. ISBN 978-3-642-12572-0
Kollur_Mine
usually with a bulge in the center portion Mirepoix; 3⁄16–1⁄4 inch (5–7 mm) Rough Cut; chopped more or less randomly resulting in a variety of sizes and shapes
List_of_culinary_knife_cuts
Largest diamond ever found in Russia or the former USSR as of 2016
23, 1981. It is kept in the Russian Diamond Fund (Moscow Kremlin). List of diamonds List of largest rough diamonds "АЛРОСА добыла в Якутии алмаз в 235
26th Congress of the Communist Party of the Soviet Union (diamond)
26th_Congress_of_the_Communist_Party_of_the_Soviet_Union_(diamond)
American professional wrestler (born 1968)
Surrender 2005 Diamond presented David Young, suggesting that, in Young, he had found "a diamond in the rough". Elix Skipper joined with Diamond and Young
Simon_Diamond
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