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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.

Watch: IGI-graded 'Diamond Standard' on CNBC

Diamond Standard's coin, the world's only market-traded diamond commodity, is up 30% in the two years since launch, outperforming gold by almost 40% and the S&P 500...

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Jeweler Creates 'Pumpkin Spice' Engagement Ring

"The perfect ring when it's love at first sip," is how a U.K. Jeweler is promoting an $11,300 diamond engagement ring inspired by the Pumpkin Spice latte. Imagined and brought to...

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IGI GemBlog Ranked in Feedspot's Top 10

The IGI GemBlog has earned a top position among thousands of blogs and websites, ranked by traffic, social media followers, domain authority & freshness according to Feedspot, the internet's largest...

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Graff Emeralds Smash Bonhams' Auction Estimates

An emerald and diamond necklace created by Graff exceeded its presale estimate by more than five times at Bonhams' 2022 London Jewels auction. A pair of emerald and diamond earrings...

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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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