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...
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...
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...
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 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...
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...
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...
The Final Rio Tinto Beyond Rare™ Tender! Rare Pinks, a Red, a Dozen Fancy...
Rio Tinto has announced what will be its final Beyond Rare™ Tender—the third and last of its annual “Art Series.”
This closing chapter, titled...
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,...
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,...
Jewelry at Rago Arts: Antique to Art Deco on September 10, 2025
Rago Arts’ September 10, 2025 auction in New Jersey offered more than just beautiful jewels—it offered a window into jewelry history. Art Nouveau, Art...
