Latest Issue

Precious corals and genomic transparency

Issue 56 Gemstones Dr Laurent E. Cartier, Dr. Bertalan Lendvay, Dr. Akitsugu Sato and Dr. Michael S. Krzemnicki -
Precious corals have been coveted across different continents and are some of the oldest gems used by humans. Historically, they were found in the...
Read more

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...
Read more

Women in the Colored Gemstone Industry

Issue 56 Women & Gems Cynthia Unninayar -
In an industry long dominated by men, women are increasingly making their mark in the colored gemstone sector. They are directly involved in the...
Read more

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...
Read more

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...
Read more

The Trade Meets Science at a Trade-Technical Conferencein Dubai in March 2026

Issue 56 Industry News InColor -
Organized by BrankoGems, in collaboration with the World Academy of Design (WAOD), the 3rd International BrankoGems Conference and Show will be held in Dubai,...
Read more

Confronting new sensibilities in the year ahead

Issue 56 ICA Report Douglas Hucker -
No doubt, many in our industry are eyeing Tucson as a harbinger of how the coming year might play out. It is clear that...
Read more

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...
Read more

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...
Read more

TPS 2026 To Take Place in Detroit

Issue 56 Industry News InColor -
The Symposium for the Advancement of Jewelry Manufacturing Technology (TPS), now in its fourth year, is a passionate, collaborative, non-commercial, non-profit, global community inspiring...
Read more
Load more

Issue 56 - Winter 2026

ICA Plus 2026

Most popular

Industry News

Color Trends

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...
Read more
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...
Read more
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...
Read more
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

EVEN MORE NEWS

POPULAR CATEGORY

© InColor - A Publication of the ICA