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Issue 56 – Winter 2026

Royal Provenance, Modern Brilliance

The November/December 2025 auctions delivered a spectacular sequence of sales, with some of the most historically compelling and visually arresting jewels to appear at...

Trade Show Report for the ICA Pavilion at the September Jewellery & Gem WORLD...

The important colored gemstone, pearl, and diamond show, part of the Informa-organized Jewellery & Gem WORLD Hong Kong 2025, concluded its September edition, held...
View of the Acropolis of Athens from Mt Lycabettus as well as the Saronic Gulf; in the distance, the Peloponnese. (Photo: George E. Koronaios, Wikimedia Commons, CC BY-SA 4.0.

The International Gemmological Conference (IGC)

The International Gemmological Conference (IGC) convened its 38th edition, from October 20–24, 2025 at the Athens Chamber of Commerce and Industry, located in the...
Attendees of the IGR in the Memorial Hall in the Royal Mineralogical Museum, in Naples.

The VII National Gemological Conference

The conference began with a first session about new developments in gemology, dedicated to the wonderful world of tourmalines. Claudio Milisenda from the DSEF...
The Gem Wall installation at the Gübelin Gem Museum, featuring a honeycomb display of colored gemstones, a nod to the hexagonal crystal structure common to many minerals.

The Gübelin Gem Museum

Situated in the Swiss city of Lucerne, the Gübelin Gem Museum opens a window into the captivating world of colored gemstones, tracing their origins,...
The Historic Teachings of Gemcutting

The Historic Teachings of Gemcutting

As its title implies, this book presents a detailed, scholarly, and engaging journey through the long, intricate history of gemstone cutting—a craft that sits...
Blue to purple spinel, including those colored predominately by cobalt (left), iron (right), and a combination of both elements (middle).

The Laboratory Manual Harmonisation Committee (LMHC)

Many in the trade may have already heard about the Laboratory Manual Harmonisation Committee (LMHC), founded 25 years ago as an essential group of...
Women in the Colored Gemstone Industry

Women in the Colored Gemstone Industry

In an industry long dominated by men, women are increasingly making their mark in the colored gemstone sector. They are directly involved in the...
Different types of amethyst, from 'Rose de France' to lavender to reddish, in rough form and in various cuts and sizes.

Amethyst’s Regal Allure

Re-visiting a gemstone that has been in the jewelry world for hundreds of years—and written about many thousands of times—can be a daunting task....
Burmese vivid red spinel pair.

Rediscovering Spinel: A Legacy Reborn

There is a quiet poetry to spinel—a gemstone that has adorned the crowns of kings, yet spent centuries living under another’s name. In the...
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