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La Scuola di Gemmologia IGI è la risorsa definitiva per la scoperta del mozzafiato mondo dei diamanti, delle gemme di colore e della gioielleria.

Video: 'Behind The Scenes' with IGI at NYC Jewelry Week

IGI provided a ‘Behind the Scenes’ tour to attendees of last month's NYC Jewelry Week in Manhattan, showcasing the institute’s grading and appraisal processes for diamonds, gemstones,...

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Leysen receives IGI Diamond Cutting Award in China

On November 17th IGI honored Leysen with a diamond craftsmanship award, recognizing the jewelry Maison's 'Blue Flame Diamond.' The ceremony, attended by diplomats, industry principals and members...

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IGI Extends Opportunity to Win $500, Recognition & More

The IGI Expressions™ Jewelry Design Competition is now accepting submissions through December 31, 2022. The organizers granted this extension, recognizing how busy the jewelry industry becomes during the holiday season.

Revised...

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IGI Expressions Jury Spotlight: Donna Hourani

The IGI Expressionsinternational jewelry design competition is accepting submissions through November 30. Free to all participants, IGI is pleased to provide this platform where feelings can...

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IGI Blog FROM OUR BLOG

Secrets Behind Dimaonds

Secrets Behind Dimaonds...

May 2018 | John Doe

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A Gem For Each Season

June 2018 | John Doe

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A Gem For Each Season
Shapes Of Diamonds The Complete Guide

Shapes Of Diamonds The Complete Guide

July 2018 | John Doe

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IGI Blog GUIDE SULLE PIETRE PREZIOSE

Diamond Report
Diamante: le 4C
Diamond Report
Diamante: le forme
Diamond Report
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