Latest Issue

Putting Colorful Gemstones to Paper

Issue 56 Industry News InColor -
Acclaimed jewelry designer and artist, Rémy Rotenier, has unveiled his latest creative project: an inspiring activity book that merges art, gemstones, and creativity for...
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Rediscovering Spinel: A Legacy Reborn

Issue 56 Gemstones Rahul Jain -
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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‘Pinterest Predicts’ 21 Trends for 2026

Issue 56 Industry News InColor -
In its 2026 report on the year's growing trends, Pinterest Predicts highlights 21 product categories, from gummy bears to fashion to perfume to nail...
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Truly Precious Is Now a Legal Foundation

Issue 56 Industry News InColor -
The organization, Truly Precious, was founded by Danielle Keller Aviram, Véronique Ribbink, Tatjana Li, and Joy Harvey to share and enable research that provides...
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The Historic Teachings of Gemcutting

Issue 56 Book Reviews Cynthia Unninayar -
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...
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Trade Show Report for the ICA Pavilion at the September Jewellery & Gem WORLD Hong Kong Show

Issue 56 Events Maggie Liu -
The important colored gemstone, pearl, and diamond show, part of the Informa-organized Jewellery & Gem WORLD Hong Kong 2025, concluded its September edition, held...
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Royal Provenance, Modern Brilliance

Issue 56 Auctions Ioannis Alexandris -
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...
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The Gübelin Gem Museum

Issue 56 Museum InColor -
Situated in the Swiss city of Lucerne, the Gübelin Gem Museum opens a window into the captivating world of colored gemstones, tracing their origins,...
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The VII National Gemological Conference

Issue 56 Events Francesca Gandolfo -
The conference began with a first session about new developments in gemology, dedicated to the wonderful world of tourmalines. Claudio Milisenda from the DSEF...
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The Laboratory Manual Harmonisation Committee (LMHC)

Issue 56 Gem Nomenclature Dr. Michael S. Krzemnicki, Dr Laurent E. Cartier, Claudio C. Milisenda, Kentaro Emori, Shane McClure, Pierre Hardy, Thanong Leelawatanasuk and Antonello Donini -
Many in the trade may have already heard about the Laboratory Manual Harmonisation Committee (LMHC), founded 25 years ago as an essential group of...
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Issue 56 - Winter 2026

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Industry News

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Book Reviews

Book Reviews

The Historic Teachings of Gemcutting

Issue 56 InColor Cynthia Unninayar -
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 at the intersection of artistry, geometry, gemology, and human ingenuity. From its opening chapters, the authors demonstrate a deep command of the subject, weaving together archaeological...
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Book Reviews

Talking Fei Cui Jade

Issue 47 InColor InColor -
Fei cui jade is highly appreciated in Eastern cultures for its beauty, power and good fortune, with rising interest in the Western world. The record prices received at auction as well as the growing demand for this remarkable gemstone bring us visit the book Fei Cui Jade – A...
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Book Reviews

The Smithsonian National Gem Collection – Unearthed

InColor Richard Drucker -
Estimated reading time: 6 minutes Knowing Jeffrey Post personally and having been to the back room of the Smithsonian Gem Hall, when I heard of this book being available, I knew it would be a must-have for my library. I was not disappointed and the praises that appear here...
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InColor magazine is the ICA's quarterly publication, all about colored gemstones. A must read for anyone in the gemstone and jewelry industry, as well as the gem enthusiast. InColor reports on information relating to the gemstone trade, mining, gemology, education, trends, fashion as well as ICA member related issues.
Contact us: ica@gemstone.org

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