Symbols of EU and US tariffs represented by puzzle pieces.

AGTA Helps Secure EU Tariff Relief for Loose Colored Gemstones and Pearls

The American Gem Trade Association (AGTA) announced a significant win this month: loose colored gemstones and natural pearls imported from the European Union will...
Book cover of 'Marcus & Co.' featuring botanical illustrations.

Rediscovering Marcus & Co.: Macklowe Gallery Brings Masterpieces Into the Spotlight

NEW YORK – For decades, Marcus & Co. has been one of those elusive names in American jewelry history: admired by connoisseurs, but shrouded...
A ring with a large yellow-green gemstone and a silver band.

A Heritage Auction Marathon: Over 500 items – an All Day All Night Sale,...

In our last report on Heritage Auctions' September 29 Fall Fine Jewelry Signature® Sale, we focused on a few beautiful pieces of colored gemstone...
Illustration of tariff dispute between India and the USA.

Tariffs Squeeze Moonstone Trade: 50% India Tariffs are Affecting Business Right Now

Having just returned from California, where GIA's Symposium and AGS's Conclave joined forces as CONVERGE, we had an opportunity to visit with Manu Nichani...
Various blue and purple gemstones of different shapes and sizes.

LMHC Agrees on Colour Stability Testing, “Cobalt Spinel,” Tanzanite, as well as “Fei Cui”

Getting seven of the world's leading gem labs to agree on anything is no small task. Yet for nearly 25 years, the Laboratory Manual...
Logo for the Chicago Responsible Journalism Conference.

CHICAGO RESPONSIBLE JEWELRY CONFERENCE 2025: with Responsible Gem Boutique

Responsible Gem Boutique: October 16Chicago Responsible Jewelry Conference: October 17-18 The Chicago Responsible Jewelry Conference (CRJC) explores the intricate challenges within the jewelry industry to...
Poster for Ethical Gem Fair Brooklyn, Oct 9-11, 2020.

Ethical Gem Fair NYC (Brooklyn) 2025

Time & Location Oct 09-11, 2025, 10:00 AM - 5:00 PM EDTHosted by Brooklyn Metal Works, 640 Dean St, Brooklyn, NY 11238 About the event The Ethical...
Volunteers in yellow uniforms at an outdoor charity event for fire brigade support.

CGH Opens 5th Annual Fundraiser alongside MJSA’s Responsibly Sourced Design Challenge!

Columbia Gem House (CGH) has launched its fifth annual online fundraising raffle, "Opals for Outback Heroes," inspired by – and directly benefiting – the...

GIA Research: Akoya Bead Cultured (BC) Pearls with 1.6mm Nacre Thickness!

When we talk about akoya cultured pearls, we usually think of the traditional mollusks used for pearl farming – members of the Pinctada fucata...
A collection of colorful gemstones scattered on a white surface.

The Final Rio Tinto Beyond Rare™ Tender! Rare Pinks, a Red, a Dozen Fancy...

Rio Tinto has announced what will be its final Beyond Rareâ„¢ Tender–the third and last of its annual "Art Series." This closing chapter, titled...
Close-up of opal stones promoting a new science course.

GAA’s Certificate in Opal Studies: A Complete Education in the World of Opal

The Gemmological Association of Australia (GAA) has taken a giant leap this year with the launch of its Certificate in Opal Studies–its first comprehensive,...
Two stick figures with boxing gloves and nets fighting each other.

WFDB Launches New Instagram Campaign: Shoveling Coal into a Microwave Oven? CONVERGE has Something...

A week ago, the World Federation of Diamond Bourses (WFDB) posted a short promotional video on Instagram titled "Diamonds should be made by nature,...