Latest Issue

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

Determination of Emerald Origin Through the Identification of Solid Inclusions

Issue 56 Gemstones T. Rozet, V. Fejoz, A. Arsac, M.P.H. Curti and W. Oei -
Introduction The study of solid inclusions (Figure 1) remains one of the most relevant sources of information for determining the geographic origin of gemstones. The...
Read more

GIT 2025 – Concludes on a Successful Note

Issue 56 Industry News InColor -
The 8th International Gem and Jewelry Conference (GIT 2025) under the theme Responsible Gem & Jewelry Supply Chain, was held on 8–9 September 2025...
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 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

Fei Cui Global Supply Chain Research – Update

Issue 56 Gemstones InColor -
During the Christmas to New Year 2024/2025 period and throughout 2025, the Guild Field Expedition Team traveled to Fei Cui producing areas and market...
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

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

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

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...
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 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

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