Deceptive Diamond Fluorescence: “Nothing is Always What it Appears”

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Deceptive Diamond Fluorescence: "Nothing is Always What it Appears" Bear Williams, laboratory directorStone Group Labs What If?Consider yourselves on notice - If you are using Long...

Happy Anniversary: GIA’s Gems & Gemology Summer Issue – G&G at 90!

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Happy Anniversary: Summer Reading: GIA's Gems & Gemology Summer Issue - G&G at 90! It is Gems & Gemology’s (G&G) 90th year, and the Summer...

Inside Facette: Low Heat, New Lightbox, and so much more!

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Inside Facette: Low Heat, New Lightbox, and so much more! Gary Roskin - Roskin Gem News Report - Leading the Swiss Gemmological Institute SSEF's 2024...

SSEF: Facette Magazine May 2024 – An Outstanding Gemmological Issue

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SSEF: Facette Magazine May 2024 - An Outstanding Gemmological Issue Gary Roskin - Roskin Gem News Report - We have another gemmological journal...

GEMMES: Spring 2024

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GEMMES: Spring 2024 In this issue, you will find the contributions of Stéphane Renard, Thomas Cagniard, Féodor Blumentritt, Aurélien Delaunay, Franck Notari, Ingrid Lerouyer, Boris...

GIA Adds Fei Cui to Jade Reports: What is Fei Cui?

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GIA Adds Fei Cui to Jade Reports: What is Fei Cui? Gary RoskinRoskin Gem News Report GIA Adds Fei Cui to Jade Reports: What is Fei...

2022 CGA Gem Conference

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2022 CGA Gem Conference, October 21-23 – Vancouver, BC Over the next several weeks, the Roskin Gem News will feature the guest speakers who presented...

Seminar: The Origin of Color of Fancy Color Diamonds

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Seminar: The Origin of Color of Fancy Color Diamonds Wednesday, September 6, 11am After a successful first seminar on the topic of synthetic diamonds back...

Chromium Surface Diffusion: a Trade Alert

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Chromium Surface Diffusion: a Trade Alert Chromium Surface Diffusion Treated “Ruby”By: Jeffery Bergman - ASG SGC of EighthDimensionGemsPhotos by Ayub Muhammad of Pretty Little GemJuly...

Gems & Gemology

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Gems & Gemology SPRING 2023 - VOLUME 59, ISSUE 1 On a personal note, if nothing else, the images in this issue, especially in the Sapphire & Tucson...

GIA Live Online

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GIA Live OnlineAdvanced Laboratory-Grown Diamonds LIVE ONLINE | July 18-19, 2023, 8 AM- 4 PM PT | Cost $995 | This seminar builds on GIA's...
Faberge

Fabergé launches special coronation lockets

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Fabergé launches special coronation lockets FashionNetwork.com Fabergé unveils its latest capsule collection, a jewellery offer to celebrate the coronation of King Charles III that takes place...

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US$155,552,014! Auction Results Top Estimate, Even Before Day 2

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$155,552,014! Auction Results Top Estimate, Even Before Day 2 Record Broken The anticipated auction results of $150 million for the private collection of Heidi Horten, Christie's...