IGR - Italian Gemological Review - English - IGR - Italian Gemological Review

News

The Science of Color in Freshwater Pearls

30 July 2026

Gemological publications

Journal of Gemmology Vol. 40, 1/2026: Indonesian Opalized Wood, Zhen’an Chinese Emeralds, Iranian Rose Quartz and ‘Jaguar’ Quartz

IGR Team - 24 July 2026

Colored Stones

Field Report to Paraíba Tourmaline Rush Near Abuloo, Ethiopia

Haimanot Sisay - 22 July 2026

Colored Stones

How Composition and Structure Influence the Color of Apatites

IGR Team - 20 July 2026

News

Gemological Reports Evolve: GIA Redesigns its Colored Stone Reports

IGR Team - 15 July 2026

MAGAZINE

Articles

Turin hosted the Sixth National Conference Diamond and Colored Stones. The complete review

Articles

“The Soul of Precious Stones: From Earth to Light”: the Winners of the Photo Contest Promoted by IGR

Articles

The resounding mantra of the gemstone geographical origin

Gems

Colored Stones

Field Report to Paraíba Tourmaline Rush Near Abuloo, Ethiopia

Colored Stones

How Composition and Structure Influence the Color of Apatites

Colored Stones

The New Face of Demantoid: Iran Enters the International Gemmological Scene

Colored Stones

New Deposits of Paraíba Elbaite in Ethiopia: Breaking News from SSEF

Emeralds

Warning in the Emerald Market for Post-Report Fracture Fillings: SSEF Issues a Trade Alert

Diamonds

Natural Diamonds: Toward a New Market Positioning

Diamonds

Ukraine’s War is Wearing Down the Kimberley Process, Now Reduced to a Burning Match No One Wants to Hold

Diamonds

The Luanda Accord Ushers in a New Era of African Diamond Storytelling

Diamonds

Botswana Eyes Control of De Beers, but the Financial Times Remains Skeptical

Business

Wartime Economy: The Diamond Between Crisis and Opportunity

Business

Diamonds, Tariffs and Triangulation: India Facing a U.S. Tariff Roller Coaster

IGR Team - 20 April 2026

Business

International Gem Markets Under Pressure Ahead of World’s Leading Trade Show, Tucson Gem Show 2026

IGR Team - 8 January 2026

Business

Wartime Economy: The Diamond Between Crisis and Opportunity

Sergio Sorrentino - 12 November 2025

Business

Towards Zero Tariffs? Framework Established for U.S.–Thailand Reciprocal Gem Trade Agreement

IGR Team - 27 October 2025

Business

Diamonds: Zero Tariffs for EU-Cut Stones Entering the U.S. — Could This Spark a Manufacturing Revival in Antwerp?

IGR Team - 26 September 2025

Events

The 5-Day Intensive Course “Spectroscopy in Gemology” Makes Its First-Ever European Debut in Italy

15 June 2026

Articles

Fourier Transform Infrared Spectroscopy (FTIR) and its gemological applications

25 March 2025

Articles

Gem Identification: New Perspectives and Advanced Practices from the Mediterranean Gem and Jewellery Conference 2024

12 December 2024

News

Gemological Treasures of Toledo Cathedral: A Comprehensive Study

27 May 2024

Latest Articles

Diamonds

Guinnes Book of Records Syndrome. Behind the 706-carat super diamond found by the priest, the tragedy of Sierra Leone stands out

31 May 2017

News

An army of miners for the Malagasy sapphires. Rare species at risk?

31 May 2017

Colored Stones

Taking the Tanzanite back: so far the auctions of the Dar Es Salam government have failed

31 May 2017

News

Demonetisation in India and its impact on jewellery and stones

30 May 2017

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Ethical Stones

Diamonds

Ukraine’s War is Wearing Down the Kimberley Process, Now Reduced to a Burning Match No One Wants to Hold

Paolo Minieri - 1 July 2026

Diamonds

Is embargo to Russian diamonds effective? Apparently not

Paolo Minieri - 2 November 2023

Articles

Overpricing misreported gemstones is a threat. Gemologists and dealers have to come to terms with this issue

Jeffery Bergman - 19 May 2023

Diamonds

Diamond mining in northern Angola results in environmental disaster in southern Congo (DRC)

Paolo Minieri - 3 November 2022

Diamonds

Will Angola became no. 1 diamond producer in the world?

Paolo Minieri - 21 January 2022

IGR (Rivista Italiana di Gemmologia/Italian Gemological Review) è la rivista gemmologica internazionale italiana, nata nel 2016 da Gem-Tech con l’obiettivo di sviluppare in Italia un network informativo per Gemmologi e per professionisti quotidianamente impegnati nel settore delle pietre preziose.

IGR – Rivista Italiana di Gemmologia, the Italian Gemological Review, is the leading International Gemological Magazine in Italy masterminded by Gem-Tech Gemological Institute, a broad information framework for Gemologists as well as professionals involved daily in the gemstone business.

Testata registrata al Tribunale di Napoli, reg. n. 15 del 18/05/2017.

Edita da: Gem Tech SRL – 80122 Napoli (Italy) - P. IVA IT09159321216

Contattaci / Contact us: info@rivistaitalianadigemmologia.com

Attenzione: gli ordini effettuati dal 5 agosto 2026 verranno processati a partire dal 31 agosto 2026. - Please note: Orders placed from August 5, 2026, will be processed starting August 31, 2026. Dismiss

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