Chromium Surface Diffusion: a Trade Alert
Chromium Surface Diffusion: a Trade Alert
Chromium Surface Diffusion Treated "Ruby"By: Jeffery Bergman - ASG SGC of EighthDimensionGemsPhotos by Ayub Muhammad of Pretty Little GemJuly...
Sotheby’s: The Perfect Diamond – Yes, Perfect!
Sotheby's: The Perfect Diamond - Yes, Perfect!
It isn't very often that you can speak of a perfect diamond, but here we are. The term...
An Exclusive Post Auction Interview with Dev Shetty
An Exclusive Post Auction Interview with Dev Shetty
https://youtu.be/qovSWqh_Dkk
"We are very happy," says an exuberant Dev Shetty, Founder & CEO of FURA Gems. "It"'s a...
Dr. Gabriela Farfan
MTL Mineral Talks Live Introduces Smithsonian Curatrix
Mineral Talks LIVE (MTL), is a monthly podcast from BlueCap Productions, with support from the Mineralogical and Geological...
Describing Color in Gems • A Fool’s Guide
Describing Color in Gems "¢ A Fool's Guide "¢ Lotus Gemology
Richard W. HughesLotus Gemology
What is the finest blue, or the finest red?
In truth, there...
Gems & Gemology
Gems & Gemology
SPRING 2023 - VOLUME 59, ISSUE 1
On a personal note, if nothing else, the images in this issue, especially in the Sapphire & Tucson...
GSI opens third lab in Mumbai
GSI opens third lab in Mumbai
Rebecca Butler - Professional Jeweller -
One of the largest gemmological organisations in the world, Gemological Science International (GSI)...
Blackstone Acquires International Gemological Institute (IGI)
Blackstone Acquires International Gemological Institute (IGI)
Antwerp, May 21, 2023 – Blackstone (NYSE:BX) announced today that private equity funds managed by Blackstone (“Blackstone”) have acquired International...
US$155,552,014! Auction Results Top Estimate, Even Before Day 2
$155,552,014! Auction Results Top Estimate, Even Before Day 2
Record Broken
The anticipated auction results of $150 million for the private collection of Heidi Horten, Christie's...
Laboratory Color Nomenclature: Gemological Science or Marketing?
Laboratory Color Nomenclature: Gemological Science or Marketing?
It has been a while since I have written a personal note. But now here goes.
The troubling conversation...
New Gemstone Testing & Research Lab CDC, BHU
New Gemstone Testing & Research Lab CDC, BHU
Banaras Hindu University (BHU), located on the southern edge of Varanasi, near the banks of the river...
GIA Live Online
GIA Live OnlineAdvanced Laboratory-Grown Diamonds
LIVE ONLINE | July 18-19, 2023, 8 AM- 4 PM PT | Cost $995 | This seminar builds on GIA's...
