Seminar: The Origin of Color of Fancy Color Diamonds

Seminar: The Origin of Color of Fancy Color Diamonds Wednesday, September 6, 11am After a successful first seminar on the topic of synthetic diamonds back...

Indian Diamond Dealers Claim U.S. Harassment Over Russian Diamond Imports

Indian Diamond Dealers Claim U.S. Harassment Over Russian Diamonds Imports U.S. 'Harasses' Indian Diamond Dealers Over Russian Gems; Transfers Worth ₹215 Cr Blocked Responsible, Ethical, & Dealing...
Gemological and Chemical Composition Characteristics

Gemological and Chemical Composition Characteristics of Basalt-Related Rubies from Chanthaburi-Trat, Thailand

Gemological and Chemical Composition Characteristics of Basalt-Related Rubies from Chanthaburi-Trat, Thailand For the Labs: On Rubies from Thailand by Enqi Li 1 and Bo Xu 1,2,3,* 1 School of Gemology, China...

Pink Sapphire or Ruby?

Pink Sapphire or Ruby? On a Personal Note - gr What is the difference between Pink Sapphire and Ruby? For many of us, the answer is...

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 Live MTL Mineral Talks

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...