Over the years IGR – Rivista Italiana di Gemmologia (Italian Gemological Review) has been hosting contributions from a selection of the most influencial international authors. The authors who have published in the magazine including the links of their articles, where available, and the relevant issues, have been listed in alphabetical order.
Carmine Allocca
- The strange story of the termites engaged in geological prospections and termite mounds showing minerals (IGR – Italian Gemological Review no. 13 – Autumn 2021)
Domenico Angelino
- REVIEWS – Secrets of a gem dealer. Martì Valoso and his first 40 carats (IGR – Italian Gemological Review no.15 – Autumn 2022)
- An Italian in Tanzania. Valerio Zancanella among gems, lions, mines and dynamite (IGR – Italian Gemological Review no.15 – Autumn 2022)
- An overview of Chinese jade ritual artifacts (IGR – Italian Gemological Review no. 11 – Winter 2020-21)
- The state-controlled jade industry is causing tragic disasters in Myanmar (IGR – Italian Gemological Review no. 11 – Winter 2020-21)
- The 709 carat diamond, Rapaport, ethics and auctions in Sierra Leone (IGR – Italian Gemological Review no. 7 – Summer 2019)
- How Lightbox reversed the communication strategy of synthetic diamonds (IGR – Italian Gemological Review no. 6 – Spring 2019)
Mikko Åström
- Screening for synthetic diamonds. A comparison of technologies (IGR – Italian Gemological Review no. 8 – Winter 2019)
- Fourier Transform Infrared Spectroscopy (FTIR) and its gemological applications (IGR – Italian Gemological Review no. 5 – Autumn 2018)
- Basic elements of photoluminescence spectroscopy in gemology (IGR – Italian Gemological Review no. 3 – January 2018)
- Raman spectroscopy: technique and its gemological application (IGR – Italian Gemological Review no. 2 – September 2017)
- Gemological application of UV-Vis-NIR spectroscopy (IGR – Italian Gemological Review no. 1 – May 2017)
Wilawan Atichat
- Rabbit’s Eye Red and Golden Red. GIT’s New Ruby Color Standards (IGR – Italian Gemological Review no. 9 – Spring 2020)
Jeffery Bergman
- ETHICAL STONES – Overpricing misreported gemstones is a threat. Gemologists and dealers have to come to terms with this issue (IGR – Italian Gemological Review no.15 – Autumn 2022)
- An overview of emerald enhancements. Fillers, oil, resins and gem lab reports (IGR – Italian Gemological Review no. 10 – Autumn 2020)
- Ethiopian emeralds, a stunning discovery (IGR – Italian Gemological Review no. 6 – Spring 2019)
- Opali Etiopi. Fatti, favole e paure (IGR – Rivista Italiana di Gemmologia nr. 0 – January 2017) – Italian language only
Enrico Butini
- Reviews – Gems, Literature, and Rock Music: two books that show the eclectic side of gemology (IGR – Italian Gemological Review no. 14 – Spring 2022)
- LAB NOTES – Laboratory notes on a Paraiba tourmaline with fluorescence and its possible causes (IGR – Italian Gemological Review no. 13 – Autumn 2021)
- Reviews – Enigma of Murrhine Ware: Legends • History • Literature • Archaeogemology Research (IGR – Italian Gemological Review no. 8 – Winter 2019)
- The causes of colors of fluorite, a gem Emperor Nero paid one million sesterces (IGR – Italian Gemological Review no. 5 – Autumn 2018)
- Laboratory analysis of an extraordinary artefact: a sapphire tiara found during the excavations in Colonna (Rome) (IGR – Italian Gemological Review no. 1 – May 2017)
Flavio Butini
- Reviews – Gems, Literature, and Rock Music: two books that show the eclectic side of gemology (IGR – Italian Gemological Review no. 14 – Spring 2022)
- LAB NOTES – Laboratory notes on a Paraiba tourmaline with fluorescence and its possible causes (IGR – Italian Gemological Review no. 13 – Autumn 2021)
- Characterization of the fluorescent Hyalite of San Luis Potosí, Mexico (IGR – Italian Gemological Review no. 10 – Autumn 2020)
- The causes of colors of fluorite, a gem Emperor Nero paid one million sesterces (IGR – Italian Gemological Review no. 5 – Autumn 2018)
- Laboratory analysis of an extraordinary artefact: a sapphire tiara found during the excavations in Colonna (Rome) (IGR – Italian Gemological Review no. 1 – May 2017)
Marco Calabrò
- Ethical stones – Forensic Gemmology. What legally constitutes a gem? (IGR – Italian Gemological Review no. 3 – January 2018)
Marco Campos-Venuti
- Reviews – Discovering the microbial life in agates and other minerals: “Biominerals”, the new book by Marco Campos-Venuti (IGR – Italian Gemological Review no.16 – Summer 2023)
Giovanni Luca Cattaneo
- Characterization of the fluorescent Hyalite of San Luis Potosí, Mexico (IGR – Italian Gemological Review no. 10 – Autumn 2020)
Paolo Cesari
- Pietre responsabili – Assogemme, Etica e gemme di colore (IGR – Rivista Italiana di Gemmologia nr. 0 – January 2017) – Italian language only
Meenakshi Chauhan
- Lab notes – Diamond with unusual Diamond View fluorescence pattern (IGR – Italian Gemological Review no. 3 – January 2018)
Stefania Coppola
- Rome 2023: Gemmology Converges with the Market, Emphasizing Fair Disclosure, Treatment Identification, and Gemstone Geographic Origin (IGR – Italian Gemological Review no.17 – Autumn 2023)
- Crash Test – Gemstone testing during the Jewelry Manufacturing process. Lead-glass filled ruby (IGR – Italian Gemological Review no.16 – Summer 2023)
- Insights from Ferrara/1. A gem lab in action. A full immersion in the Gübelin Gem Lab (IGR – Italian Gemological Review no.15 – Autumn 2022)
- Insights from Ferrara/2. A journey to the middle of the Earth. Diamonds as vectors of geological information (IGR – Italian Gemological Review no.15 – Autumn 2022)
- Insights from Ferrara/3. Identification helpful in adjusting historical museum catalogs (IGR – Italian Gemological Review no.15 – Autumn 2022)
- Insights from Ferrara/4. New and old treatments. Focus on irradiation (IGR – Italian Gemological Review no.15 – Autumn 2022)
- Insights from Ferrara/5. Characterizations: Ethiopian emeralds, simetite, aquaprase, Macedonian ruby (IGR – Italian Gemological Review no.15 – Autumn 2022)
- Insights from Ferrara/6. General indications and classification (IGR – Italian Gemological Review no.15 – Autumn 2022)
- Insights from Ferrara/7. Research methodology, matching up with industry and the framing of the “ethical question” (IGR – Italian Gemological Review no.15 – Autumn 2022)
- Insights from Ferrara/8. Archaeogemmology and pearls (IGR – Italian Gemological Review no.15 – Autumn 2022)
- Insights from Ferrara/9. Instrumentation and techniques for identification and prospecting (IGR – Italian Gemological Review no.15 – Autumn 2022)
- The Ferrara gemological conference. Bridging University and Industry (IGR – Italian Gemological Review no.15 – Autumn 2022)
- Coral color grading. Practical application cases (IGR – Italian Gemological Review no.15 – Autumn 2022)
- What is jade? (IGR – Italian Gemological Review no. 11 – Winter 2020-21)
- Some introductory notes to jadeite grading (IGR – Italian Gemological Review no. 11 – Winter 2020-21)
- A journey into the Mediterranean coral (Corallium Rubrum) manufacturing process (IGR – Italian Gemological Review no. 9 – Spring 2020)
Emanuele Costa
- Giorgio Spezia and the hydrothermal quartz (IGR – Italian Gemological Review no.16 – Summer 2023)
- In Italy gemstones can be sold and bought with absolutely no information about what they really are. A case study (IGR – Italian Gemological Review no. 14 – Spring 2022)
Luigi Costantini
- COUNTER-GEMOLOGY –“Nothing Lasts Forever” is a Documentary Film about Diamonds Crafted with a Hefty Dose of American-style Dezinformatsiya, Served with a Berlin Twist (IGR – Italian Gemological Review no.17 – Autumn 2023)
- 10X – Our friends the inclusions. The detective at the party of inclusions. Fifteenth episode (IGR – Italian Gemological Review no.17 – Autumn 2023)
- COUNTER-GEMOLOGY – Cheats, Impostures, Deceptions, Mystifications, Frauds (IGR – Italian Gemological Review no.16 – Summer 2023)
- 10X – Our friends the inclusions. The detective at the party of inclusions. Fourteenth episode (IGR – Italian Gemological Review no.16 – Summer 2023)
- COUNTER-GEMOLOGY – Pantoadamàs, the “Dictionary” of Diamond: titles, attributes, denominations and neologisms (IGR – Italian Gemological Review no.15 – Autumn 2022)
- 10X – Our friends the inclusions. The detective at the party of inclusions. Thirteenth episode (IGR – Italian Gemological Review no.15 – Autumn 2022)
- COUNTER-GEMOLOGY – The strange cases of Pope’s “Blessed Diamond” and “The non-ordinary” one (IGR – Italian Gemological Review no. 14 – Spring 2022)
- Reviews – Gems, Literature, and Rock Music: two books that show the eclectic side of gemology (IGR – Italian Gemological Review no. 14 – Spring 2022)
- 10X – Our friends the inclusions. The detective at the party of inclusions. Twelfth episode (IGR – Italian Gemological Review no. 14 – Spring 2022)
- COUNTER-GEMOLOGY – The strange case of the ecological and democratic natural “lab-grown” gemstones from Italy (IGR – Italian Gemological Review no. 13 – Autumn 2021)
- 10X – Our friends the inclusions. The detective at the party of inclusions. Eleventh episode (IGR – Italian Gemological Review no. 13 – Autumn 2021)
- COUNTER-GEMOLOGY – Pandora’s box and the diamond assassination attempt on the occasion of May 5th (IGR – Italian Gemological Review no. 12 – Summer 2021)
- 10X – Our friends the inclusions. The detective at the party of inclusions. Tenth episode (IGR – Italian Gemological Review no. 12 – Summer 2021)
- Editorial – Adjectives vs. Numbers. About old and new gemstone Classification Systems (IGR – Italian Gemological Review no. 11 – Winter 2020-21)
- 10X – Our friends the inclusions. The detective at the party of inclusions. Ninth episode (IGR – Italian Gemological Review no. 11 – Winter 2020-21)
- 10X – Our friends the inclusions. The detective at the party of inclusions. Eighth episode (IGR – Italian Gemological Review no. 10 – Autumn 2020)
- 10X – Your friends the inclusions. The detective at the party of inclusions. Seventh episode (IGR – Italian Gemological Review no. 9 – Spring 2020)
- Reviews – Enigma of Murrhine Ware: Legends • History • Literature • Archaeogemology Research (IGR – Italian Gemological Review no. 8 – Winter 2019)
- 10X – Your friends the inclusions. The detective at the party of inclusions. Sixth episode (IGR – Italian Gemological Review no. 8 – Winter 2019)
- 10X – Your friends the inclusions. The detective at the party of inclusions. Fifth episode (IGR – Italian Gemological Review no. 6 – Spring 2019)
- 10X – Your friends the inclusions. The detective at the party of inclusions. Fourth episode (IGR – Italian Gemological Review no. 5 – Autumn 2018)
- 10X – Your friends the inclusions. The detective at the party of inclusions. Third episode (IGR – Italian Gemological Review no. 4 – Summer 2018)
- Reviews – The first complete work in the world on asterism. “Asterism – Gems with a star” by Martin P. Steinbach (IGR – Italian Gemological Review no. 3 – January 2018)
- 10X – Your friends the inclusions. The detective at the inclusions party. Second episode (IGR – Italian Gemological Review no. 3 – January 2018)
- 10X – Your friends the inclusions. The detective at the identification party. First episode (IGR – Italian Gemological Review no. 2 – September 2017)
- 10X – You and your microscope (IGR – Italian Gemological Review no. 1 – May 2017)
Carlo Cumo
- LETTERS TO IGR – The Use of Hydrofluoric Acid in the Production of Synthetic Biron Emeralds and the Correct Terminology for Synthetic Gemstones (IGR – Italian Gemological Review no.17 – Autumn 2023)
- Historical notes on the biron synthetic pink beryl and its early popularity (IGR – Italian Gemological Review no. 14 – Spring 2022)
- From the analyst’s notebook. Biron synthetic emerald and its identification (IGR – Italian Gemological Review no. 11 – Winter 2020-21)
- 10X – From the analyst’s notebook. An investigation on a red faceted stone (IGR – Italian Gemological Review no. 7 – Summer 2019)
Aurélien Delaunay
- Analysis of opals. The new Opal master reference sets in LFG Laboratory (IGR – Italian Gemological Review no. 8 – Winter 2019)
Branko Deljanin
- Use of three portable instruments for fast screening and ID of Natural and Laboratory-Grown Diamonds (IGR – Italian Gemological Review no. 14 – Spring 2022)
- Esame e identificazione dell’origine sintetica dei diamanti incolori e fancy utilizzando una lampada UV e un polariscopio montato su un microscopio (IGR – Rivista Italiana di Gemmologia nr. 0 – January 2017) – Italian language only
Simon Dussart
- A lesson from Jeffery Bergman, a master gemologist and a world respected gem dealer who started from the bottom by licking opals (IGR – Italian Gemological Review no. 12 – Summer 2021)
- Learning more about ethical rubies from Greenland with Hayley Henning
- Interviewing one of the most influential jeweler in the States: Ms. Erica Courtney!
- The version of Field Gemologist Vincent Pardieu (IGR – Italian Gemological Review no. 7 – Summer 2019)
John Dyer
- A complex brilliance pattern which can hide inclusions. Pros and cons of concave faceting (IGR – Italian Gemological Review no. 9 – Spring 2020)
- Colored gemstones. It’s now time to sell cut (IGR – Italian Gemological Review no. 3 – January 2018)
Giuseppe Elettivo
- The strange story of the termites engaged in geological prospections and termite mounds showing minerals (IGR – Italian Gemological Review no. 13 – Autumn 2021)
Thomas Engeli
- “LA-ICP-MS” spectrometry and its use in gemology (IGR – Italian Gemological Review no. 8 – Winter 2019)
Francesca Gaeta
- LAB NOTES – Laboratory notes on a Paraiba tourmaline with fluorescence and its possible causes (IGR – Italian Gemological Review no. 13 – Autumn 2021)
- The causes of colors of fluorite, a gem Emperor Nero paid one million sesterces (IGR – Italian Gemological Review no. 5 – Autumn 2018)
Maria Rosaria Ghiara
- Morphological characterization of diamonds from Royal Mineralogical Museum of Naples (IGR – Italian Gemological Review no. 6 – Spring 2019)
Thomas Hainschwang
- An overview of the properties and detection methods of syntetic diamonds currently in the market (IGR – Italian Gemological Review no. 1 – May 2017)
Annabelle Herreweghe
- Analysis of opals. The new Opal master reference sets in LFG Laboratory (IGR – Italian Gemological Review no. 8 – Winter 2019)
Eric Hoffman
- Books & Gems – Collecting the Literature of Jade. A journey from east to west (IGR – Italian Gemological Review no. 11 – Winter 2020-21)
E. Billie Hughes
- Madagascar sapphire: Crystal Blue Persuasion (IGR – Italian Gemological Review no. 4 – Summer 2018)
Richard W. Hughes
- Books & Gems – Collecting the Literature of Jade. A journey from east to west (IGR – Italian Gemological Review no. 11 – Winter 2020-21)
- Books & Gems – Hidden Treasure • Collecting books about ruby & sapphire (IGR – Italian Gemological Review no. 10 – Autumn 2020)
- Madagascar sapphire: Crystal Blue Persuasion (IGR – Italian Gemological Review no. 4 – Summer 2018)
Jirapit Jakkawanvibul
- Rabbit’s Eye Red and Golden Red. GIT’s New Ruby Color Standards (IGR – Italian Gemological Review no. 9 – Spring 2020)
Thanong Leelawatanasuk
- Rabbit’s Eye Red and Golden Red. GIT’s New Ruby Color Standards (IGR – Italian Gemological Review no. 9 – Spring 2020)
Domenico Lombardi
- Are there gems on Mars? (IGR – Italian Gemological Review no. 13 – Autumn 2021)
Peter Lyckberg
- Gem pegmatites: descriptive summary (IGR – Italian Gemological Review no. 12 – Summer 2021)
Michele Macrì
- Reviews – Discovering the microbial life in agates and other minerals: “Biominerals”, the new book by Marco Campos-Venuti (IGR – Italian Gemological Review no.16 – Summer 2023)
- Editorial – Charlie Chaplin, grumblings about hard times and the 9.64-carat alexandrite (IGR – Italian Gemological Review no.15 – Autumn 2022)
- YouTucson, the actual gemstone platform (IGR – Italian Gemological Review no. 9 – Spring 2020)
- Bixbite: the rarest common gem in the world (IGR – Italian Gemological Review no. 7 – Summer 2019)
- Editorial – A small Manifesto for a world of gems against racism (IGR – Italian Gemological Review no. 5 – Autumn 2018)
- The 27th Feira Internacional de pedras preciosas (FIPP) of Teofilo Otoni (IGR – Italian Gemological Review no. 2 – September 2017)
- What is a gem? (IGR – Italian Gemological Review no. 1 – May 2017)
- Zultanite, l’affascinante diasporo cangiante proveniente dalla Turchia (IGR – Rivista Italiana di Gemmologia nr. 0 – January 2017) – Italian language only
Alberto Malossi
- Synthetic Morganite, the long journey of hydrothermal pink beryl (IGR – Italian Gemological Review no.16 – Summer 2023)
- Vienna is not just about waltzing: Paul Knischka and his lab-grown rubies (IGR – Italian Gemological Review no. 13 – Autumn 2021)
- Synthetic Alexandrite, more magic than Rubik’s Cube (IGR – Italian Gemological Review no. 8 – Winter 2019)
- The sixth element: a close look at De Beers pink synthetic diamond (IGR – Italian Gemological Review no. 6 – Spring 2019)
- The untold story of Douros Synthetic Rubies (IGR – Italian Gemological Review no. 4 – Summer 2018)
Antoinette Matlins
- The record breaking ruby specimen fake news involves less respected media (IGR – Italian Gemological Review no.15 – Autumn 2022)
Paolo Minieri
- Rome 2023: Gemmology Converges with the Market, Emphasizing Fair Disclosure, Treatment Identification, and Gemstone Geographic Origin (IGR – Italian Gemological Review no.17 – Autumn 2023)
- Editorial – A good host is inclusive and appreciative of life, just as minerals are (IGR – Italian Gemological Review no.17 – Autumn 2023)
- And now let us all move to Rome to discuss gems, mineralogy and trade (IGR – Italian Gemological Review no.16 – Summer 2023)
- Ethical Stones – Is embargo to Russian diamonds effective? Apparently not (IGR – Italian Gemological Review no.16 – Summer 2023)
- Editorial – All gemstones are treated and ultimately worthless (IGR – Italian Gemological Review no.16 – Summer 2023)
- Insights from Ferrara/1. A gem lab in action. A full immersion in the Gübelin Gem Lab (IGR – Italian Gemological Review no.15 – Autumn 2022)
- Insights from Ferrara/2. A journey to the middle of the Earth. Diamonds as vectors of geological information (IGR – Italian Gemological Review no.15 – Autumn 2022)
- Insights from Ferrara/3. Identification helpful in adjusting historical museum catalogs (IGR – Italian Gemological Review no.15 – Autumn 2022)
- Insights from Ferrara/4. New and old treatments. Focus on irradiation (IGR – Italian Gemological Review no.15 – Autumn 2022)
- Insights from Ferrara/5. Characterizations: Ethiopian emeralds, simetite, aquaprase, Macedonian ruby (IGR – Italian Gemological Review no.15 – Autumn 2022)
- Insights from Ferrara/6. General indications and classification (IGR – Italian Gemological Review no.15 – Autumn 2022)
- Insights from Ferrara/7. Research methodology, matching up with industry and the framing of the “ethical question” (IGR – Italian Gemological Review no.15 – Autumn 2022)
- Insights from Ferrara/8. Archaeogemmology and pearls (IGR – Italian Gemological Review no.15 – Autumn 2022)
- Insights from Ferrara/9. Instrumentation and techniques for identification and prospecting (IGR – Italian Gemological Review no.15 – Autumn 2022)
- The Ferrara gemological conference. Bridging University and Industry (IGR – Italian Gemological Review no.15 – Autumn 2022)
- Coral color grading. Practical application cases (IGR – Italian Gemological Review no.15 – Autumn 2022)
- Reviews – The secrets of the master cutter. The new gemcutting guide by Justin K Prim (IGR – Italian Gemological Review no. 14 – Spring 2022)
- Ethical stones – Diamond mining in northern Angola results in environmental disaster in southern Congo (DRC) (IGR – Italian Gemological Review no. 14 – Spring 2022)
- Editorial – Ethically treated gemstones (IGR – Italian Gemological Review no. 14 – Spring 2022)
- The Italian scientific gemmology back in action in Bari. A complete review (IGR – Italian Gemological Review no. 13 – Autumn 2021)
- Editorial – Up patriots to arms! A Manifesto for a civil and committed gemmology (IGR – Italian Gemological Review no. 13 – Autumn 2021)
- Editorial – J’accuse. A complaint about the damage caused in Italy by the mushrooming proliferation of do-it-yourself gemstone “graders” (IGR – Italian Gemological Review no. 12 – Summer 2021)
- Ethical stones – Will Angola became no. 1 diamond producer in the world? (IGR – Italian Gemological Review no. 11 – Winter 2020-21)
- Ethical stones – A big check to the little miner. Nationalized Tanzanite aims at creating domestic consensus (IGR – Italian Gemological Review no. 10 – Autumn 2020)
- The resounding mantra of the gemstone geographical origin (IGR – Italian Gemological Review no. 9 – Spring 2020)
- The slow agony of the Kimberley Process. Ethics in the COVID-19 times (IGR – Italian Gemological Review no. 9 – Spring 2020)
- Editorial – Striking and ordinary cases in gemology. It’s all good (IGR – Italian Gemological Review no. 9 – Spring 2020)
- Editorial – Machines working while you are watching TV matches? No, in gemology you need to know what and how to search for, and whom to ask for help (IGR – Italian Gemological Review no. 8 – Winter 2019)
- Ethical stones – Man-made diamonds are diamonds too. This new extended definition isolates the FTC from European standards (IGR – Italian Gemological Review no. 7 – Summer 2019)
- Editorial – For sensationalistic ecological parades, gems are an easy target (IGR – Italian Gemological Review no. 7 – Summer 2019)
- Ethical stones – Tiffany reveals where its diamonds come from. Waiting for Blockchains, geography can act as an ethical filter in the meantime (IGR – Italian Gemological Review no. 6 – Spring 2019)
- Editorial – Regulations, treatments, synthetics, all right. But at the end we can only bring you what God gives us (IGR – Italian Gemological Review no. 6 – Spring 2019)
- Ethical stones – Will they be named blood rubies? The complex settlment of Gemfields opens new implications of Social Responsibility (IGR – Italian Gemological Review no. 4 – Summer 2018)
- Editorial – A journey from Madagascar to Mozambique, from nature to synthetic. Thanks to everybody (IGR – Italian Gemological Review no. 4 – Summer 2018)
- Tomorrow’s rubies will come from the auctions (IGR – Italian Gemological Review no. 3 – January 2018)
- Editorial – Cutting edge knowledge vs diffused basic knowledge. I don’t know what to cheer for (IGR – Italian Gemological Review no. 3 – January 2018)
- Ethical stones – Diamonds of an ethic hemisphere. The case of Canada (IGR – Italian Gemological Review no. 2 – September 2017)
- Editorial – Calm gemologists in the open sea scanning the rest of the world (IGR – Italian Gemological Review no. 2 – September 2017)
- Ethical stones – Now that Gübelin can give emeralds a name… how can they also be assigned an ethical surname? (IGR – Italian Gemological Review no. 1 – May 2017)
- The strange revival of diffused sapphires. But this time they are synthetic (IGR – Italian Gemological Review no. 1 – May 2017)
- Editorial – Things without facets are flat and dull (IGR – Italian Gemological Review no. 1 – May 2017)
- Reviews – Driving gemstone lovers to corundums. A twenty years tireless work for the most accurate survey on rubies and sapphires (IGR – Rivista Italiana di Gemmologia nr. 0 – January 2017)
- Editorial – Scansatevi, le pietre vi rotolano addosso! (IGR – Rivista Italiana di Gemmologia nr. 0 – January 2017) – Italian language only
Francesco Natale
- The Revival of Ceylon Sapphires Captured in the Photos of the Resilient Artisanal Mining (IGR – Italian Gemological Review no.17 – Autumn 2023)
Raffaella Navone
- Giorgio Spezia and the hydrothermal quartz (IGR – Italian Gemological Review no.16 – Summer 2023)
- In Italy gemstones can be sold and bought with absolutely no information about what they really are. A case study (IGR – Italian Gemological Review no. 14 – Spring 2022)
Vincent Pardieu
- The version of Field Gemologist Vincent Pardieu (IGR – Italian Gemological Review no. 7 – Summer 2019)
- Gem mining and conservation in Mozambique and Madagascar (IGR – Italian Gemological Review no. 2 – September 2017)
Visut Pisutha-Arnond
- Rabbit’s Eye Red and Golden Red. GIT’s New Ruby Color Standards (IGR – Italian Gemological Review no. 9 – Spring 2020)
Nicola Precisvalle
- Characterization of the fluorescent Hyalite of San Luis Potosí, Mexico (IGR – Italian Gemological Review no. 10 – Autumn 2020)
Justin K Prim
- Reviews – The secrets of the master cutter. The new gemcutting guide by Justin K Prim (IGR – Italian Gemological Review no. 14 – Spring 2022)
- Lapidary technology through the ages: laps and polish (IGR – Italian Gemological Review no. 12 – Summer 2021)
Ronald Ringsrud
- Gota de Aceite: emerald’s secret attraction (IGR – Italian Gemological Review no.16 – Summer 2023)
Stuart Robertson
- An approach to color stone grading (IGR – Italian Gemological Review no. 5 – Autumn 2018)
Domenico Romanelli
- Crash Test – Gemstone testing during the Jewelry Manufacturing process. Lead-glass filled ruby (IGR – Italian Gemological Review no.16 – Summer 2023)
Manuela Rossi
- Morphological characterization of diamonds from Royal Mineralogical Museum of Naples (IGR – Italian Gemological Review no. 6 – Spring 2019)
Claudio Russo
- 10X – Our friends the inclusions. The detective at the party of inclusions. Fifteenth episode (IGR – Italian Gemological Review no.17 – Autumn 2023)
- 10X – Our friends the inclusions. The detective at the party of inclusions. Fourteenth episode (IGR – Italian Gemological Review no.16 – Summer 2023)
- 10X – Our friends the inclusions. The detective at the party of inclusions. Thirteenth episode (IGR – Italian Gemological Review no.15 – Autumn 2022)
- 10X – Our friends the inclusions. The detective at the party of inclusions. Twelfth episode (IGR – Italian Gemological Review no. 14 – Spring 2022)
- 10X – Our friends the inclusions. The detective at the party of inclusions. Eleventh episode (IGR – Italian Gemological Review no. 13 – Autumn 2021)
- 10X – Our friends the inclusions. The detective at the party of inclusions. Tenth episode (IGR – Italian Gemological Review no. 12 – Summer 2021)
- 10X – Our friends the inclusions. The detective at the party of inclusions. Ninth episode (IGR – Italian Gemological Review no. 11 – Winter 2020-21)
- 10X – Our friends the inclusions. The detective at the party of inclusions. Eighth episode (IGR – Italian Gemological Review no. 10 – Autumn 2020)
- 10X – Our friends the inclusions. The detective at the party of inclusions. Seventh episode (IGR – Italian Gemological Review no. 9 – Spring 2020)
- 10X – Your friends the inclusions. The detective at the party of inclusions. Sixth episode (IGR – Italian Gemological Review no. 8 – Winter 2019)
- 10X – Your friends the inclusions. The detective at the party of inclusions. Fifth episode (IGR – Italian Gemological Review no. 6 – Spring 2019)
- 10X – Your friends the inclusions. The detective at the party of inclusions. Fourth episode (IGR – Italian Gemological Review no. 5 – Autumn 2018)
- 10X – Your friends the inclusions. The detective at the party of inclusions. Third episode (IGR – Italian Gemological Review no. 4 – Summer 2018)
- 10X – Your friends the inclusions. The detective at the inclusion party. Second episode (IGR – Italian Gemological Review no. 3 – January 2018)
- 10X – Your friends the inclusions. The detective at the identification party. First episode (IGR – Italian Gemological Review no. 2 – September 2017)
Nunzia Laura Saldalamacchia
- Poly-material ornaments: the Iron Age amber fibulae (IGR – Italian Gemological Review no. 7 – Summer 2019)
Alberto Scarani
- The Educational Impact of the 2023 JVA Conference is a Lesson that Gemologists should heed (IGR – Italian Gemological Review no.17 – Autumn 2023)
- A humble tribute to W. William Hanneman and to the idea of a gemology accessible to all (IGR – Italian Gemological Review no. 11 – Winter 2020-21)
- Advanced jadeite identification with spectrophotometry (IGR – Italian Gemological Review no. 11 – Winter 2020-21)
- Editorial – A modest proposal for a more inclusive gemology (IGR – Italian Gemological Review no. 10 – Autumn 2020)
- The resounding mantra of the gemstone geographical origin (IGR – Italian Gemological Review no. 9 – Spring 2020)
- Screening for synthetic diamonds. A comparison of technologies (IGR – Italian Gemological Review no. 8 – Winter 2019)
- Fourier Transform Infrared Spectroscopy (FTIR) and its gemological applications (IGR – Italian Gemological Review no. 5 – Autumn 2018)
- Reviews – One more book on diamonds? Yes and you can’t miss it. “Diamond – The ultimate gemstone” (IGR – Italian Gemological Review no. 5 – Autumn 2018)
- Basic elements of photoluminescence spectroscopy in gemology (IGR – Italian Gemological Review no. 3 – January 2018)
- Raman spectroscopy: technique and its gemological application (IGR – Italian Gemological Review no. 2 – September 2017)
- Gemological application of UV-Vis-NIR spectroscopy (IGR – Italian Gemological Review no. 1 – May 2017)
- The strange revival of diffused sapphires. But this time they are synthetic (IGR – Italian Gemological Review no. 1 – May 2017)
- Tecniche spettroscopiche e spettrofotometriche. Uno sguardo d’assieme (IGR – Rivista Italiana di Gemmologia nr. 0 – January 2017) – Italian language only
- Reviews – “Gemstones, Terra connoisseur” di Vladyslav Yavorskyy. Un’apoteosi assoluta di spettacolari gemme grezze e tagliate (IGR – Rivista Italiana di Gemmologia nr. 0 – January 2017) – Italian language only
Ken Scarratt
- Unfair overpricing of large specimens might be reduced introducing “not facetable” as a grade (IGR – Italian Gemological Review no.15 – Autumn 2022)
Clemens Schwarzinger
- “LA-ICP-MS” spectrometry and its use in gemology (IGR – Italian Gemological Review no. 8 – Winter 2019)
Olivier Segura
- Journey to the center of the pearl. Composition and structure (IGR – Italian Gemological Review no. 8 – Winter 2019)
Francesco Sequino
- Jade identification with traditional equipment (IGR – Italian Gemological Review no. 11 – Winter 2020-21)
- A journey into the Mediterranean coral (Corallium Rubrum) manufacturing process (IGR – Italian Gemological Review no. 9 – Spring 2020)
- Specific cases of coral treatments. Identification and correct terminology (IGR – Italian Gemological Review no. 2 – September 2017)
- Note dal laboratorio – Identificati al Tarì da GemTech diamanti sintetici HPHT (IGR – Rivista Italiana di Gemmologia nr. 0 – January 2017) – Italian language only
- 10X – Meglio una gemmologia umile ed onesta (IGR – Rivista Italiana di Gemmologia nr. 0 – January 2017) – Italian language only
Armida Sodo
- Characterization of the fluorescent Hyalite of San Luis Potosí, Mexico (IGR – Italian Gemological Review no. 10 – Autumn 2020)
Sergio Sorrentino
- The Diamond View – The Earth trembles, Everyone Down to the Ground! (IGR – Italian Gemological Review no.17 – Autumn 2023)
- The Diamond View – Synthetic diamonds vs. natural diamonds. Let’s talk again about their value (IGR – Italian Gemological Review no.16 – Summer 2023)
- The Diamond View – Diamonds and jewelry facing inflation (IGR – Italian Gemological Review no.15 – Autumn 2022)
- The Diamond View – Diamond prices in 2022. Will they keep going up? (IGR – Italian Gemological Review no. 14 – Spring 2022)
- The Diamond View – So now diamonds are flying. But we will not make predictions so brazenly optimistic as to challenge common sense (IGR – Italian Gemological Review no. 13 – Autumn 2021)
- The Diamond View – Brilliant contradictions. The diamond market has weathered the COVID-19 storm and survived the ominous predictions of the catastrophists (IGR – Italian Gemological Review no. 10 – Autumn 2020)
- The Diamond View – Let’s insist on transparency and keep working as hard as diamonds (IGR – Italian Gemological Review no. 9 – Spring 2020)
- The Diamond View – Big fish eat small fish. What will happen to intermediate diamond traders? (IGR – Italian Gemological Review no. 8 – Winter 2019)
- The Diamond View – A glance at the enemies of diamonds. The alleged ethical primacy of synthetic diamonds and market difficulties (IGR – Italian Gemological Review no. 7 – Summer 2019)
- The Diamond View – Outlook 2019. Stability and changes (IGR – Italian Gemological Review no. 6 – Spring 2019)
- The Diamond View – Synthetic item challenge natural diamonds (IGR – Italian Gemological Review no. 5 – Autumn 2018)
- The Diamond View – Retail prices of diamonds (IGR – Italian Gemological Review no. 4 – Summer 2018)
- The Diamond View – Diamond outlook 2018 (IGR – Italian Gemological Review no. 3 – January 2018)
- The Diamond View – Positive signals (IGR – Italian Gemological Review no. 2 – September 2017)
- The Diamond View – Stolen diamonds (IGR – Italian Gemological Review no. 1 – May 2017)
- The Diamond View – Come la tecnologia sta cambiando l’industria dei diamanti (IGR – Rivista Italiana di Gemmologia nr. 0 – January 2017) – Italian language only
Chakkaphan Sutthirat
- Rabbit’s Eye Red and Golden Red. GIT’s New Ruby Color Standards (IGR – Italian Gemological Review no. 9 – Spring 2020)
Victor Tuzlukov
- What is good cut and how good is it? (IGR – Italian Gemological Review no. 5 – Autumn 2018)
- Appraisal specialties for gemstones with artistic and precision cut (IGR – Italian Gemological Review no. 2 – September 2017)
Steve Ulatowski
- «As a rough gemstone dealer I say that prices of ruby with zoisite can never be in the millions. That is simply crazy» (IGR – Italian Gemological Review no.15 – Autumn 2022)
Andrea Vaia
- Out of the blue… dealing with Kyanite (IGR – Italian Gemological Review no. 4 – Summer 2018)
Raffaele Zancanella
- A comparative mathematical analysis of the internal reflections in a spherical concave faceted vs. a plane faceted gem (IGR – Italian Gemological Review no. 9 – Spring 2020)
Valerio Zancanella
- An Italian in Tanzania. Valerio Zancanella among gems, lions, mines and dynamite (IGR – Italian Gemological Review no.15 – Autumn 2022)
- The strange story of the termites engaged in geological prospections and termite mounds showing minerals (IGR – Italian Gemological Review no. 13 – Autumn 2021)
Federico Zorzi
- Characterization of the fluorescent Hyalite of San Luis Potosí, Mexico (IGR – Italian Gemological Review no. 10 – Autumn 2020)
