Optical Spectra of Diamond, C

• Collins AT, Williams AWS (1971) The nature of the acceptor centre in semiconducting diamond. Journa of Physics C, Solid State Physics 4,1789-1799. 
• Clark CD, Walker J (1973) The neutral vacancy in diamond. Proceedings of the Royal Society London A 334, 241-257. 
• Davies G (1977) The optical properties of diamond. Chemisty and Physics of Carbon 31, 1-143. 
• Davies G (1977) The H3 centre. Diamond Research 1977, 15-24.
• Collins AT (1978) High-​resolution optical spectra of the GR defect in diamond. Journal of Physics C; Solid State Physics 11, 1957-1964.
• Davies G, Thomaz MF (1979) The N3 centre. Diamond Research 1979, 13-24.
• Walker J (1979) Optical absorption and luminescence in diamond. Report Progress in Physics 42, 1605-1659.    

• Collins AT (1980) Spectroscopic investigation of a canary yellow diamond. Journal of Gemmology, 213–222.
• Davies G, Foy C (1980) Jahn-Teller coupling at the neutral vacancy in diamond. Journal of Physics C: Solid State Physics 13, 2203-2213. 
• Clark CD, Mitchell EWJ, Parsons BJ (1982) Colour centers and optical properties. In: The Properties of Diamond (Field JE, ed.). Academic Press, London, pp 23-77.  
• Collins AT (1982) Colour centres in diamond. Journal of Gemmology 18, 37–75. 
• Scarratt K (1986) Notes from the Laboratory. Journal of Gemmology 20, 35-39.
• Scarratt K (1986) Notes from the Laboratory - 8. Journal of Gemmology 20, 210-216.
• Scarratt K (1987) Notes from the Laboratory - 11. Journal of Gemmology 20, 406-422. 
• Shigley JE, Fritsch E, Stockton CM, Koivula JI, Fryer CW, Kane RE (1986) The gemological properties of the Sumitomo gem-quality synthetic yellow diamonds. Gems & Gemology 22, 192-208.
• Woods GS, Collins AT (1986) New developments in spectroscopic methods for detecting artificially coloured diamonds. Journal of Gemmology 20, 75-82.
  
• Matsyuk SS, Platonov AN, Bulanova GP (1989) Optical spectra of orange garnets included in diamonds. Doklady Akademii Nauk Ukrainskoi SSR, Seriya B: Geologicheskie, Khimicheskie i Biologicheskie Nauki 15-18. (in Russian)
     
  

• Matsyuk SS, Bartoshinskii ZV, Platonov AN, Bekesha SN, Vinichenko TG (1990) Optical spectra and color of diamonds from some deposits of Russia. Mineralogicheskii Sbornik (Lvov) 44:3-10 (in Russian) 
• Fritsch E, Shigley JE (1991) Optical properties of some natural-color and laboratory-irradiated green to blue diamonds. New Diamond Science and Technology. Materials Research Society International Conference Proceedings, 677-681. 
• Clark CD, Collins AT, Woods G (1992) Absorption and luminescence spectroscopy. In: The properties of natural and synthetic diamonds (Field JE, ed), Academic Press, pp 36-80.
• Shigley JE, Fritsch E (1993) A notable red-brown diamond. J Gemmology 1993, 259-266. 
• Fritsch E, Shigley JE, Moses T, Rossman GR, Zucker B, Balfour I (1995) Examination of the twenty-two carat green chameleon diamond. In DJ Content, Ed., A Green Diamond: A study of Chameleonism, WD Maney  & Son, Leeds, 42 pp.
• Reinitz IM, Fritsch E, Shigley JE (1998) An oscillating visible light optical center in some natural green to yellow diamonds. Diamond and Related Materials 7, 313-316. 
•  Taran MN, Kvasnytsya VM, Valter AA, Chashka OI, Palkina OY (1998) Optical spectroscopic study of diamond microcrystals from Ukranian placers. Mineralogicheskii Zhurnal  20, 64-71. 
• Buerki PR, Reinita IM, Muhlmeister S, Elen S (1999) Observation of the H2 defect in gem-quality type Ia diamond. Diamond and Related Materials 8, 1061-1066.

• Collins AT, Kanda H, Kitawaki H (2000) Colour changes produced in natural brown diamonds by high-pressure, high-temperature treatment. Diamond and Related Materials 9,113-122. 
• Collins AT (2001) The colour of diamond and how it may be changed. Journal of Gemmology 27, 341-359.
• De Weerdt F, Van Royen J (2001) Defects in coloured natural diamonds. Diamond and Related Materials 10, 474–479. 
• Zaitsev AM (2001) Optical Properties of Diamond. Springer-Verlag, Berlin-Heidelberg-New York.
• King JM, Shigley JE, Guhin SS, Gelb TH, Hall M (2002) Characterization and grading of natural-color pink diamonds. Gems and Gemology 38, 128-147. 
• Taran MN, Kvasnytsya VM, Langer K (2004) On unusual deep-violet microcrystals of diamonds from placers of Ukraine. European Journal of Mineralogy 16, 241-245.
• King JM, Shigley JE, Gelb TH, Guhin SS, Hall M, Wang W (2005) Characterization and grading of natural-color yellow diamonds. Gems and Gemology 41, 88-115.
• Massi L, Fritsch E, Collins AT, Hainschwang T, Notari F (2005) The "amber centres" and their relation to the brown colour in diamond. Diamond and Related Materials 14, 1623-1629. 
• Barnes R, Bangert U, Martineau P (2006) HR-TEM imaging and image simulation of vacancy clusters in brown diamond. physica status solidi (a) 203, 3081–3087.
• Hainschwang T, Notari F, Fritsch E, Massi L (2006) Natural, untreated diamonds showing the A, B and C infrared absorptions (“ABC diamonds”), and the H2 absorption. Diamond and Related Materials 15, 1555-1564.
• Willems B, Martineau PM, Fischer D, Van Royen J, Van Tendeloo G (2006) Dislocation distributions in brown diamond. physica status solidi (a) 203, 3076-3080. 
• De Weerdt F, Collins AT (2007) Broad-band luminescence in natural brown type Ia diamonds. Diamond and Related Materials 16, 512-516.
• Fritsch E, Massi L, Rossman GR, Hainschwang T, Jobic S, Dessapt R (2007) Thermochromic and photochromic behaviour of “chameleon” diamonds. Diamond and Related Materials 16, 401-408.
• Fritsch E, Hainschwang T, Massi L, Rondeau B (2007) Hydrogen-Related Optical Centers in Natural Diamond: An Update.  New Diamond and Frontier Carbon Technology 17, 63-88.
• Fritsch E, Rondeau B, Hainschwang T, Quellier M-H (2007) A contribution to the understanding of pink color in diamond: The unique, historical «Grand Condé». Diamond and Related Materials 16, 1471-1474.
• Serov RS, Viktorov ML (2007) Low-​temperature optical spectroscopy of natural and synthetic diamonds. Vestnik Moskovskogo Universiteta, Seriya 4: Geologiya, 53-55. (In Russian)
• Yelisseyev A, Kanda H (2007) Optical centers related to 3d transition metals in diamond. New Diamond and Frontier Carbon Technology, 127–178.  
• Gaillou E, Fritsch E, Notari F (2008) Photoinduced absorptions of the H1b and H1c centers in some natural treated diamonds. Diamond and Related Materials, vol. 17, pp. 2029-2036.
• Lu T, Odaki T, Yasunaga K, Uesugi H (2008) A fancy reddish brown diamond with new optical absorption features. Journal of Gemmology 31, 73-76. 
• Fisher D (2009) Brown diamonds and high pressure high temperature treatment. Lithos 112S, 619–624.
• Fisher D, Sibley SJ, Kelly CJ (2009) Brown colour in natural diamond and interaction between the brown related and other colour-inducing defects. Journal of Physics Condensed Matter 21, No. 36.   
• Hainschwang T, Respinger A, Notari F, Hartmann HJ, Günthard C (2009) A comparison of diamonds irradiated by high fluence neutrons or electrons, before and after annealing. Diamond & Related Materials 18, 1223–1234.
• Jones R (2009)  Dislocations, vacancies and the brown colour of CVD and natural diamond. Diamond & Related Materials 18, 820–826.
• Jones R, Goss JP, Briddon PR (2009) Acceptor level of nitrogen in diamond and the 270-nm absorption band. Physical Review B 80, Article 033205.  
• Khan RUA, Martineau PM, Cann BL, Newton ME, Twitchen DJ (2009) Charge transfer effects, thermo and photochromism in single crystal CVD synthetic diamond. Journal of Physics Condensed Matter 21, 364214-364223. 
• Mäki J-M, Tuomisto F, Kelly CJ, Fisher D, Martineau PM (2009) Properties of optically active vacancy clusters in type IIa diamond. Journal of Physics Condensed Matter 21, 364216.
• Tretiakova L (2009) Spectroscopic methods for the identification of natural yellow gem-quality diamonds. European Journal of Mineralogy 21, 43-50.

• Gaillou E, Post JE, Bassim ND, Zaitsev AM, Rose T, Fries MD, Stroud RM, Steele A, Butler JE (2010) Spectroscopic and microscopic characterizations of color lamellae in natural pink diamonds. Diamond & Related Materials 19, 1207–1220.
• Gaillou E, Post JE, Rost D, Butler J (2012) Boron in natural type IIb blue diamonds: Chemical and spectroscopic measurements. American Mineralogist 97, 1–18. 
• Hainschwang T, Fritsch E, Notari F, Rondeau B, Katrusha A (2013) The origin of color in natural C center bearing diamonds. Diamond and Related Materials 39, 27–40.
• Nasdala L, Grambole D, Wildner M,  Gigler AM, Hainschwang T, Zaitsev AM, Harris JW, Milledge J, Schulze DJ, Hofmeister W, Balmer WA (2013) Radio-colouration of diamond: a spectroscopic study. Contributions to Mineralogy and Petrology 165, 843–861. 
• Ardon T (2014) Diamond Cameleon, with nickel absorption band. Gems & Gemology 50, 151-152. 
• Byrne KS, Chapman JG, Luiten AN (2014). Photochromic charge transfer processes in natural pink and brown diamonds. Journal of Physics Condensed Matter 26, No. 3.     
• Hainschwang T, Notari F, Vadaszi E (2014) The Rhodesian Star: An exceptional asteriated diamond. The Journal of Gemmology 34, 306-315. 
• Howell D, Fisher D, Piazolo S, Griffin WL, Sibley SJ (2015) Pink color in Type I diamonds: Is deformation twinning the cause? American Mineralogist 100, 1518–1527. 
• Kitawaki H, Hisanaga M, Yamamoto M, Emori K (2015) Type 1b yellow to brownish yellow CVD synthetic diamonds seen at CGL. The Journal of Gemmology 34, 594-604.
• Shigley JE, Breeding CM (2015) Visible absorption spectra of colored diamonds. Gems & Gemology 51, 41-43.
• Titkov SV, Mineeva RM, Zudina NN, Sergeev AV, Zhikhaveva VP (2015) The luminescent nature of orange coloration in natural diamond: Optical and EPR study. Physics and Chemistry of Minerals 42, 131-141.
• Gaillou E, Rossman GR (2017) On the beauty of defects. In JW Harris and GA Staebler, Eds., Diamond - The Ultimate Gemstone. Mineral Monograph 19, Litohographie LLC, Arvada, Colorado, USA, 40-53.
• Breeding CM, Eaton-Magaña S, Shigley JE (2018) Natural-color green diamonds. A beautiful conundrum. Gems and Gemology 54, 2-27,
• Byrne KS, Butler JE, Wang W, Post JE (2018). Chameleon diamonds: Thermal processes governing luminescence and a model for the color change. Diamond and Related Materials 81, 45–53.
• Eaton-Magaña S, Ardon T, Smit KV, Breeding CM, Shigley JE (2018) Natural-color pink, purple, red, and brown diamonds: band of many colors. Gems & Gemology 54, 352–377.
• Eaton-Magaña S, Breeding CM, Shigley JE (2018) Natural-color or blue, gray, and violet diamonds: Allure of the deep. Gems & Gemology 54, 112-131.
• Fritsch E, Delaunay A (2018) What truly characterises a chameleon diamond? An exampleof an atypical 25.85 ct stone. The Journal of Gemmology 36, 142-151.
• Saengbuangamlam S, Maneekrajangsaeng M, Sripoonja T. (2018) A treated mixed-type synthetic yellow diamond. The Journal of Gemmology 36, 294-296. 
• Smit KV, D’Haenens-Johansson UFS, Howell D, Loudin LC, Wang W (2018) Deformation-related spectroscopic features in natural type Ib-IaA diamonds from Zimmi (West African craton). Mineralogy and Petrology, 112, Supp. 1, 243–257.
• Smit KV, Myagkaya E, Persaud S, Wang W (2018) Black diamonds from Marange (Zimbabwe): A result of natural irradiation and graphite inclusions.Gems & Gemology 54, 132–148.
• Tang S, Su J, Lu T, Ma Y, Ke J, Song Z, Zhang J, Liu H (2018) A thick overgrowth of CVD synthetic diamond on a natural diamond. The Journal of Gemmology 36, 134-141.  
• Hainschwang T, Pamies G (2019) The Effects of HPHT Treatment on Previously Irradiated and Annealed Diamonds of All Types and Colors. 36th International Gemmological Conference IGC, August 2019, Nantes, France, 39-40. 
• Huang W, Ni P, Shui T, Shi G (2019) Hydrogen-rich green diamond color-trated by multi-step processing. Gems & Gemology 55, 398-405. 

• Ashfold MN, Goss JP, Green BL, May PW, Newton ME, Peaker CV (2020) Nitrogen in diamond. Chemical reviews 120, 5745-5794.
• Breeding CM, Eaton-Magaña S, Shigley JE (2020) Naturally colored yellow and orange gem diamonds: the nitrogen factor. Gems & Gemology 56, 194-219.
• Breeze BG, Meara CJ, Wu XX, Michaels CP, Gupta R, Diggle PL, Dale MW, Cann BL, Ardon T, D’Haenens-Johansson UFS, Friel I, Rayson MJ, Briddon PR, Goss JP, Newton ME, Green BL (2020). Doubly-charged silicon vacancy center, photochromism, and Si-N complexes in co-doped diamond. Physical Review B 101, 184115-184125.    
• Eaton-Magana S, Ardon T, Breeding CM, Shigley JF (2020) Natural-color D-to-Z diamonds: A crystal-clear perspective. Gems & Gemology 56, 318–335,
• Eaton-Magaña, S., McElhenny, G., Breeding, C.M., Ardon, T. (2020) Comparison of gemological and spectroscopic features in type IIa and Ia natural pink diamonds. Diamond and Related Materials, Vol. 105, p. 107784
  
• Song Z, Lu T, Liu H, Dai H, Ke J, Zhu W, Zhang J (2020) Identification of Type IIa Blue CVD Synthetic Diamonds from Huzhou SinoC Semiconductor Co. in China. The Journal of Gemmology, 37, 306–313. https://doi.org/10.15506/JoG.2020.37.3.306
• Troschiev SY, Bolshedvorskii SV, Trofimov SD, Luparev NV, Nosukhin SA, Buga SG (2020) Evolution of vacancy-​based complexes in synthetic diamond under irradiation with high-​energy electrons and annealing. Izvestiya Vysshikh Uchebnykh Zavedenii, Khimiya i Khimicheskaya Tekhnologiya 63, 16-21.
• Blumentritt F, Fritsch E (2022) Photochromism and Photochromic Gems: A Review and Some New Data (Part 2). The Journal of Gemmology 38, 80-92.
• D’Haenens-Johansson UF, Butler JE, Katrusha AN (2022). Synthesis of diamonds and their identification. Reviews in Mineralogy and Geochemistry 88, 689-753.
• Eaton-Magaña S, Johnson P (2022) Treated Orange and Pnk CVD Labratory-Grown Diamond. Gems and Gemology 58, 356-358.
• Green BL, Collins AT, Breeding CM (2022) Diamond Spectroscopy, Defect Centers, Color, and Treatments. Reviews in Mineralogy & Geochemistry 88, 637–688.   
• Price J (2022) Large Green and Yellow Diamonds Colored by Nickel Impurities. Gems & Gemology 58, 50-51. 
• Ruan S (2022) HPHT-Processed Natural Type 1a Diamond. Gems & Gemology 58, 48-49. 
• Syarbaini L, Johnson P (2022) Treated "Nickel-Rich " Green Diamond. Gems and Gemology 58, 354-355.
• Leeuwen Sv, Zwaan JC (2023) Banjarmasin Diamond: War Booty from Borneo in Amsterdam. The Journal of Gemmology 38, 662-677.
  
• Yang W, Zhang X, Song Z (2023) Grayish blue CVD diamond coored by GR1 and SiV^-. Gems & Gemology 59, 152-155
• Eaton-Magaña S, Linzmeyer T (2023) Treated HPHT Laboratory-Grown Diamond with Dramatic Color Zoning. Gems & Gemology 59, 489-490.
• Delaunay A, Karampelas S, Herreweghe A, Fritsch E (2024) Large and Unusually Coloured Type IIb Diamonds, Possibly Cut from the Same Rough. The Journal of Gemmology 39,270-275.
  
• Eaton-Magaña S, Hardman MF, Odake S (2024) Laboratory-Grown Diamonds: An Update on Identification and Products Evaluated at GIA. Gems & Gemology 60, 146-167.
  
• Lai MY, Hardman MF, Eaton-Magana S, Breeding CM, Schwartz VA, Collins AT (2024) Spectroscopic characterization of diamonds colored by the 480 nm absorption band. Diamond & Related Materials 142, 110825
• Johnson P (2024) Cloud Inclusions Causing Fancy Light Blue Color in Diamond. Gems & Gemology 60, 58-59.
• Lall A, Ruan S, Johnson P (2024) Natural Orange Diamond with Unusual Absorption Features. Gems & Gemology 60, 59-.50.