In Conversation with a Lapidary Historian

Lauriane Lognay sits down with Justin K. Prim Tap here to read the full story at Jewellery Business Magazine.

2022 CGA Gem Conference

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...

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

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

GIA Enhances its Emerald Reports: Filler Identification Now Available as an Option

GIA Enhances its Emerald Reports: Filler Identification Now Available as an Option It was announced earlier this past week that GIA is adding "filler identification"...

SSEF: New Criteria to Detect Low-T Heated Pink Sapphires

New and additional criteria to detect low-T heated pink sapphires applied by SSEF In the Swiss Gemmological Institute SSEF's newsletter last week, new and additional...

Seminar: The Origin of Color of Fancy Color Diamonds

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...

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

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...

CIBJO Congress: Pearl Commission Recommends Bleaching be Disclosed

CIBJO Congress: Pearl Commission Recommends Bleaching be Disclosed Reports from the 2024 CIBJO Congress, held in Shanghai from November 2 through 4 BleachingWhile CIBJO has long...

CIBJO Congress: More Recommendations re: Coral, Diamonds, Opals, Fei Cui (Jade), and more…

CIBJO Congress: More Recommendations re: Coral, Diamonds, Opals, Fei Cui (Jade), and more... Reports from the 2024 CIBJO Congress, held in Shanghai from November 2...
Faberge

Fabergé launches special coronation lockets

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...
Surface Diffusion

Ti Surface Diffusion: Just when you thought it was an easy identification

New research shows that the titanium surface diffusion treatment is being polished off the facets, but left inside cavities and fractures. Stone Group...

GAHK: the Journal of the Gemmological Association of Hong Kong 2024 – the 45th...

GAHK: the Journal of the Gemmological Association of Hong Kong 2024 - the 45th Anniversary Copy! The 45th anniversary of the GAHK Journal is now...