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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.

What A Gem - Get to Know Jewelry Designer Ray Griffiths

Born in Sydney and now based in New York City, designer Ray Griffiths is known for his bold, gem-forward pieces, which always give the stone or stones pride of...

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Sapphire, Ruby & Diamond Rings Lead Bonham's Auction

A Ruser ring with a 21.15 carat sapphire and diamond side stones set in platinum surpassed its pre-sale estimate by four times, commanding $127,500 when the gavel fell at...

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IGI Certified Falcon Hoods Displayed in Abu Dhabi

Each year falconers assemble at the Abu Dhabi International Hunting and Equestrian Exhibition to further their craft. This year's attendees were treated to a display of customized...

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Inclusions: A Road Map to Beauty

You could say that minerals and gemstones are in the DNA of artist Naomi Sarna,  who grew up in Montana, walking distance from some of the world’s greatest mineral mines. Inspired...

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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
Come aver cura dei vostri gioielli: suggerimenti