Guild Gemology Education Reports on Gemfields’ $32 Million Auction: “… a Measured Signal of...
Andrew "Andy" Lucas is the President of Guild Gemology Education. A former GIA field gemologist and education manager, Lucas has spent more than four...
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...
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...
Photomicrography: Images from Within
"I have a new image for you which I hope you'll enjoy," says Sammantha Maclachlan.
Yes, it's another stunner!
This time, we have a series of...
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...
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...
Gem-A’s Journal of Gemmology Examines the DNA of Gem Coral
Gem-A has just sent out their latest Journal of Gemmology, and, as always, it is packed full of note-worthy gem news.
On the cover (seen...
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...
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...
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...
