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...
GIA Examines Motswedi: World’s 2nd Largest Gem Quality Rough Diamond Crystal
The Gemological Institute of America (GIA) has announced that their research team in Gaborone, Botswana — joined by Tom Moses, GIA Executive Vice President...
“Lab-Grown” is Out, “Synthetic” is Back In: GIT Aligns with CIBJO – and France
Starting October 1, 2025, GIT—the Gem and Jewelry Institute of Thailand’s gem testing laboratory—will be updating the way it words its reports to better...
Al Gilbertson Receives 2025 Robert M. Shipley Award! Author of “American Cut – the...
It was Tuesday evening, September 9, at CONVERGE, when everyone in attendance rose to their feet to honor Al Gilbertson, CG—the 2025 recipient of...
GIA’s “Laboratory-Grown Diamond Quality Assessment Report” – No More Clarity, Color, or Cut!
Now Offers Just Two Tiers — “Premium” or “Standard.”
We’ve been telling you this was on the way — and now it’s official. Starting October...
Hyperion, the Inclusion Search Engine… Provided by Lotus Gemology
The Hyperion image database is a searchable inclusion library, offering nearly 1,800 photomicrographs from the Lotus Gemology laboratory in Bangkok, indexed by gem type,...
Four Color Highlights & One Old Mine Cut from Heritage’s Upcoming Fall Fine Jewelry...
Heritage Auctions’ September 29 Fall Fine Jewelry Signature® Sale is still a few weeks away, but four loose gems and a mounted diamond are...
Photomicrography: Images from Within
Images by Sammantha Maclachlan – There are some extremely talented photographers out there, and we are so pleased to show you another of Sammantha Maclachlan's images...
Value at NAJA’s ACE©IT Conference: August 9-10 – an Online Event
The National Association of Jewelry Appraisers' 64th Annual ACE©It Mid-Year Virtual Education Conference takes place the weekend of August 9–10. This year’s event features...

























