You can purchase IGR – Italian Gemological Review Issue #15 with the 2022/23 subscription!
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IN THIS ISSUE:
- Editorial – Charlie Chaplin, grumblings about hard times and the 9.64-carat alexandrite (Michele Macrì)
- The Diamond View – Diamonds and jewelry facing inflation (Sergio Sorrentino)
- 10X – Our friends the inclusions. The detective at the party of inclusions. Thirteenth episode (Luigi Costantini and Claudio Russo)
- GEM NEWS – According to SSEF, orange sapphires with unstable color should be reported as fancy sapphires
- GEM NEWS – De Beers’ return to Angola confirms ambitions for new direction
- GEM NEWS – Notable resignations, partly withdrawn. War storm over Ukraine shakes the RJC
- GEM NEWS – Santa Maria aquamarine, a new quality grade codified by AIGS
- GEM NEWS – A new entry level course from Gem-A
- GEM NEWS – Cobalt blue spinels are coming back but they are not from Vietnam
- GEM NEWS – Writing information within half-point diamonds? Opsydia shows that now they can
- ETHICAL STONES – Overpricing misreported gemstones is a threat. Gemologists and dealers have to come to terms with this issue (Jeffery Bergman)
includes the inserts:
- Unfair overpricing of large specimens might be reduced introducing “not facetable” as a grade (Ken Scarratt)
- The record breaking ruby specimen fake news involves less respected media (Antoinette Matlins)
- «As a rough gemstone dealer I say that prices of ruby with zoisite can never be in the millions. That is simply crazy» (Steve Ulatowski)
- An Italian in Tanzania. Valerio Zancanella among gems, lions, mines and dynamite (Domenico Angelino)
- REVIEWS – Secrets of a gem dealer. Martì Valoso and his first 40 carats (Domenico Angelino)
- Coral color grading. Practical application cases (Paolo Minieri and Stefania Coppola)
- The Ferrara gemological conference. Bridging University and Industry (Paolo Minieri and Stefania Coppola)
includes the inserts:
- Insights from Ferrara/1. A gem lab in action. A full immersion in the Gübelin Gem Lab
- Insights from Ferrara/2. A journey to the middle of the Earth. Diamonds as vectors of geological information
- Insights from Ferrara/3. Identification helpful in adjusting historical museum catalogs
- Insights from Ferrara/4. New and old treatments. Focus on irradiation
- Insights from Ferrara/5. Characterizations: Ethiopian emeralds, simetite, aquaprase, Macedonian ruby
- Insights from Ferrara/6. General indications and classification
- Insights from Ferrara/7. Research methodology, matching up with industry and the framing of the “ethical question”
- Insights from Ferrara/8. Archaeogemmology and pearls
- Insights from Ferrara/9. Instrumentation and techniques for identification and prospecting
- COUNTER-GEMOLOGY – Pantoadamàs, the “Dictionary” of Diamond: titles, attributes, denominations and neologisms (The “Bad-Mouthed Jiminy Cricket”: Luigi Costantini)
ON THE COVER:
How to grade coral colors? (Photo: Gem-Tech Istituto Gemmologico)
