GIA and Gübelin Gem Lab Confirm New Source of Copper-Bearing Tourmaline from Ethiopia
Independent research documents material from newly reported source of paraíba tourmaline
Press ReleaseCARLSBAD, Calif. and LUCERNE, Switzerland – August 27, 2026 –
Researchers at GIA (Gemological...
Tariffs Again? Making Sense of the Latest Changes Affecting Gem Imports
Just when many in the gem trade thought theyfinally understood the last round of U.S. tariffs...the tariffs have changed again.
Gary RoskinRoskin Gem News Report
Over...
The 23rd Australian Opal Exhibition: August 5 & 6, 2026!
The 23rd Australian Opal Exhibition: August 5 & 6, 2026, is all set - register NOW!
Held at Southport Sharks, Gold Coast
Only Two Weeks...
Gemstone Fracture Filling: Labs Find It in Ruby, Tourmaline, Spinel and Garnet—Are You Still...
"We are seeing oiled stones outside of emerald every single day in the lab, and yet there is so little awareness about it in...
Van Cleef & Arpels’ L’ÉCOLE: From Dubai to Shanghai to Seoul, Garden of Emeralds...
Some exhibitions open, close, and quietly disappear.
Others continue to evolve.
L'ÉCOLE, School of Jewelry Arts, supported by Van Cleef & Arpels, has spent the past...
When Price Becomes Secondary to Availability: Why GemGuide Changed the Way it Prices Burmese...
For decades, gemstone pricing guides have operated on a simple assumption... If enough material exists in the marketplace, researchers can observe transactions, compare qualities,...
Does the Emerald Still Match the Report? – SSEF Issues Trade Alert
TRADE ALERTSSEF - the Swiss Gemmological Laboratory
SSEF Issues Trade Alert After Identifying Re-Filled EmeraldsAccompanied by Earlier "No or Minor Enhancement" Reports
Picture this:
An emerald with...
Into the Stone: Photomicrography from E. Billie Hughes
This time, Billie Hughes gives us something rarely seen: a before-and-after-and-after-again look at what happens to an inclusion during heat treatment.
As gemologists, we are...
For Your Summer Reading: We Have a Few Suggestions
Designing American Jewelry
by Ellie Thompson
An inspirational book about a jeweler's journey that helped shape her designs.
The Hardness of Emerald
by Ron Ringsrud
Ron Ringsrud's...
SSEF Trade Alert: Fraudulent filling of fissures in emeralds after they have been laboratory...
TRADE ALERTSSEF - the Swiss Gemmological Institute
Based on a number of recent cases, the Swiss Gemmological Institute SSEF is issuing a trade alert concerning...
In Memoriam: Elvis “Buzz” Gray, October 24, 1933 – April 18, 2026. The Loss...
Elvis “Buzz” Gray seemed to have a way of being in the right place at the right time. His son, Mike Gray, says it...
US Debut of Kazakh Jade at the 2026 International Jade Summit
by Emily “D.D.” FrontiereContributing Editorfor the Roskin Gem News Report
The Monterey Bay Jade Festival in mid-June has quickly become a must-see event in the...
