Christie’s Geneva Magnificent Jewels: Featuring the Mellon Blue and the Rainbow Collection
Christie's once again brought its Magnificent Jewels sale to Geneva this past week, following its May auction that brought in more than $72 million....
Invisible-Set Genius: Inside the Craft of Oscar Heyman
A Personal Note
Every now and then, a jeweler sends out a photo that stops you mid-scroll. Not because it's big or flashy, but because...
AGTA Announces the 2025 Spectrum & Cutting Edge Award WINNERS! … and the Roskin...
On a Personal Note:There was certainly a buzz in the room – well over 300 pieces to view, loose gems and gem-set jewelry stretched...
AGTA Continues the Fight for Zero Tariffs: Thailand and Vietnam Look to be Next
By Gary RoskinRoskin Gem News Report
The American Gem Trade Association (AGTA) has just announced a major development in its tariff-reduction campaign: the United States...
Scoping It Out: Photomicrography from Melissa Scarani
Melissa Scarani, GG (GIA), FGA, ASA, is the founder of Gemology Resources, and Houston Gemological Lab in Houston, Texas. A seasoned gemologist with over...
How AGTA is Singlehandedly Saving the International Colored Gemstone Industry*
Behind the scenes, the American Gem Trade Association (AGTA) has been fighting a quiet, complex, and costly battle in Washington, D.C. As AGTA CEO...
The Montana Gem Travelogue: A Firsthand Look at Sapphires, Gemology, and Big Sky Mining
The following is a review of Eric Emms' Montana sapphire mining adventure.
"Hunting Montana Sapphires"This past June, Eric Emms, well-respected British gemmologist, educator, and Hatton...
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
Photomicrography: Images from Within
Images by Sammantha Maclachlan
Sammantha Maclachlan FGA DGA FIRV MJVA AJP PJDIP CPAA - JVA Registered Valuer®ï¸
Winner of the Gordon Ness trophy...
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...
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...
