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...

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

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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...
Conch Pearls

An Unusual Pearl: Coated or Not?

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Roskin Gem News ReportGary Roskin Conch Pearl: Coated, or not? Identification of pearl coatings can be a bit tricky, especially if the coating has been performed...

GIA Alumni: Continuing Education

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Learn from GIA's best. Continuing education sponsored by the GIA Alumni Collective

In Conversation with a Lapidary Historian

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

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...
Surface Diffusion

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

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

MUST READ

Govt moves in to contain gemstone industry crisis

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Zimbabwe Independent - By Taurai Mangudhla | Oct. 28, 2022 - THE government has announced plans to invest in several gemstone lapidaries across major trading centres...

SINKANKAS SYMPOSIUM