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, by Sammantha Maclachlan
"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...
Photomicrography: Images from Within, Images by Sammantha Maclachlan
Images by Sammantha Maclachlan
Sammantha Maclachlan FGA DGA FIRV MJVA AJP PJDIP CPAA - JVA Registered Valuer®ï¸
Winner of the Gordon Ness trophy (gemmology)
Fellow of the...
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...
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...
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...
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...
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...
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,...
GIA & AGS CONVERGE: The Gemology Related Track
This is just a quick note – and a list – of all the presentations we managed to catch while at CONVERGE, GIA's Symposium...
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...
