Gem Labs

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 Rebecca Butler - Professional Jeweller - One of the largest gemmological organisations in the world, Gemological Science International (GSI)...

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...

$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? 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 Banaras Hindu University (BHU), located on the southern edge of Varanasi, near the banks of the river...

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...

Laboratory-Grown Diamonds vs. Synthetic Diamonds Q: What is the Difference between Laboratory-Grown Diamonds (aka Lab-Grown) Laboratory-Created Diamonds (aka Lab-Created) Factory Grown Diamonds Manmade Diamonds and Synthetic Diamonds? A: Absolutely nothing! They...

Press Release FROM MINE TO ROSTRUMSOTHEBY’S TO AUCTION ONE OF THE GREATEST GEM DISCOVERIES OF THE CENTURYAT 55.22 CARATS, THE RARE GEMSTONE IS THE LARGEST&...

New and additional criteria to detect low-T heated pink sapphires applied by SSEF In the Swiss Gemmological Institute SSEF's newsletter last week, new and additional...

AIGS Ramps Up Services in China: an Exclusive Interview with Gloria Chen, CEO of AIGS China by Julius Zheng "The operation of AIGS in China brings...

AIGS Launches Jedi Spinel Grading Reports by Julius Zheng The neon hot pink to red spinels from Myanmar have increasingly gained popularity in Asian markets in...