Description
IN THIS ISSUE:
- Editorial – In this Issue, we discuss who will buy De Beers, Responsible Gemology for Market Transparency, and much more (Paolo Minieri)
- The Diamond View – The Main Causes of the Fall in Diamond Prices (Sergio Sorrentino)
- 10X – Our Friends the Inclusions. The Detective at the Party of Inclusions. Seventeenth Episode (Luigi Costantini and Claudio Russo)
- GEM NEWS – Gübelin Gem Lab Launches New Gem Passport for Rubies, Blue Sapphires, and Emeralds
- GEM NEWS – GIA Launches New Jewelry Report Service
- GEM NEWS – Across the Spectrum: Analysis of colour-changing Andradites
- GEM NEWS – Machine Learning and Spectroscopy: The Key to the Origin of Nephrite Jade
- GEM NEWS – Divesting from De Beers simply means that Copper is now more valuable than Diamonds
- GEM NEWS – Emeralds’ long Blood Trail in Colombia. Murdered “Pedro” Aguilar
- GEM NEWS – Demantoids from Pakistan: Hidden Treasures from the Depths of Muslim Bagh
- GEM NEWS – The Rebirth of the Tianhu East Turquoise: the GIA Focus
- GEM NEWS – Greenland’s Ruby Gamble: From Ambition to Reconstruction
- CRASH TEST – Rubies and Sapphires: Treatments Before and After the Jewelry Manufacturing Stage (Domenico Romanelli and Stefania Coppola)
- Chameleon Gems – Marketing the Magic. Implementing Favorable Lab Report Nomenclature while Protecting Consumers (Jeffery Bergman)
- The Farewell Corner. In Memory of Dr. Carlo Cumo, Gemologist (Luigi Costantini)
- Unveiling the World of Gem Appraisals: A Conversation with Dr. Çiğdem Lüle (Simon Dussart)
- Guidelines for the Correct Marketing of Gemstones. Honesty and Transparency for the Industry. If not now, when? (Paolo Minieri)
- Turin hosted the Sixth National Conference Diamond and Colored Stones. The Complete Review (Paolo Minieri)
- Gem Identification: New Perspectives and Advanced Practices from the Mediterranean Gem and Jewellery Conference 2024 (Francesco Sequino)
- REVIEWS – Gems, History and Archaeogemmology: a fascinating Journey into the Origins of Glyptics (Luigi Costantini)
- REVIEWS – “Broken Bangle — The Blunder-Besmirched History of Jade Nomenclature”. A Book Review (Jeffery Bergman)
- LAB NOTES – Laboratory Alert! Melee-sized HPHT Treated Yellow Diamonds appear in the Market (Thomas Hainschwang)
- COUNTER-GEMOLOGY – Miners in the Sky with Diamonds (The “Bad-Mouthed Jiminy Cricket”: Luigi Costantini)
ON THE COVER:
A natural corundum variety ruby. Foreign substances penetrated in surface reaching fractures and cavities, possibly due to chromium oxide after polishing. (Photo: Giovanni Pace)
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