Pink Sapphire or Ruby?

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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

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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!

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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

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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

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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

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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

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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

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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)

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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

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$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?

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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

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New Gemstone Testing & Research Lab CDC, BHU Banaras Hindu University (BHU), located on the southern edge of Varanasi, near the banks of the river...

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A Gem Mining Region Crisis: What Cyclone Freddy Left Behind: Complete...

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A Gem Mining Region Crisis: What Cyclone Freddy left behind: complete devastation. by Alfred NoahArtisanal Miner, Malawi and MozambiqueBlantyre, Malawi Tragic Statistics Over 500,000 people displaced.Approximately 577...