Cover featuring a snowy mountain and moonlit sky, titled 'Stones and Reveries'.

Stones and Reveries: The Poetry and Minerals of Roger Caillois

L'ÉCOLE, School of Jewelry Arts, in partnership with France's Muséum national d'histoire naturelle (MNHN), presents a retrospective dedicated to the collection of the great...
Two raw pink gemstones displayed side by side on a white background.

Big Bicolor: GIA Studies Rare 37-Carat Pink-and-Colorless Rough Diamond

...and you thought you were under a lot of stress. GABORONE, BOTSWANA – The GIA laboratory in Botswana recently examined an extraordinary 37.41-carat pink-and-colorless rough...
Elegant bow-shaped rings with blue and red gemstones on a white background.

The Italians are Coming! The Edit: A Gallery of Italian Jewelry Masterpieces

NEW YORK – The Edit, an exhibition of contemporary Italian jewelry design, will be held just following the JA Show, in New York City...

Photomicrography: Images from Within, by Sammantha Maclachlan

Images by Sammantha Maclachlan Sammantha Maclachlan FGA DGA FIRV MJVA AJP PJDIP CPAA - JVA Registered ValuerÂ®ï¸ Winner of the Gordon Ness trophy (gemmology) Fellow of the...
Elegant ring with a large blue gemstone and gold accents.

ZaZa Azul: A Paraíba for the People

How a beloved 13.34-carat tourmaline went from a private treasure to the Smithsonian WASHINGTON, D.C. – On Tuesday morning, September 16th, 2025, the Smithsonian Institution's...
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...
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,...