IGI ReportsIGI REPORTS

IGI grades the widest variety of gemstones and jewelry in more corners of the world than any other gemological organization.
As the global leader for jewelry assessment our experience and reach are unrivaled. Renowned for diamonds and colored gemstones, we are equally trusted with the grading of pearls, exotic carvings, fine jewelry pieces and modern synthetics and simulants.
IGI Diamond Report
Diamond Report
IGI Jewelry report
Jewelry report
IGI Colored stone report
Colored stone report
IGI Lab Grown Report
Lab Grown Report

Committed to Excellence

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IGI EducationIGI EDUCATION

Enroll in IGI’s School of Gemology to discover the breathtaking world of diamonds, gemstones and jewelry. With more courses covering more topics in more countries than any other organization, IGI is the perfect choice for invested jewelry professionals and consumer enthusiasts alike.
Polished Diamond

Polished Diamond

This course is fast-paced and will quickly bring you to a level where you can identify, grade and price diamonds according to international grading and trading practices. It will give you a thorough understanding of the grading standards followed worldwide and is ideally suited for individuals with tight time constraints.

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Rough Diamond

Rough Diamond

The beauty of a diamond emerges not only after it has been polished; nature endows diamonds with beautiful and unique shapes, and to study them in their rough state is an art and science in itself. This course is one-of-a-kind, and the only such practical evaluation rough diamond course available in the market

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Colored Stones

Colored Stones

This course imparts expertise and knowledge to a gem enthusiast and enables him/her to identify, grade and value gemstones based on international standards. The course information is closely aligned with the international colored stone industry, which will enable the candidate to easily relate to current market dynamics and terminologies.

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Pearl

Pearl

The IGI pearl course dives deep into the history of pearls, their varieties and unique growth structures. During the course students will learn to recognize cultured and natural pearls as well as their value and treatments.

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Jewelry Design

Jewelry Design

IGI's Jewelry Design Graduate course brings out each individual's innate creativity, helping enthusiasts to design with ability and confidence. It makes an apprentice designer learn the basics and complexities of designing any type of jewelry, along with estimating its cost. Through practical work, designers are assisted to express their creativity by designing a portfolio of their own styles.

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Jewelry CAD

Jewelry CAD

With advanced CAD / CAM technology developed for the jewelry industry, the sky is the limit for boosting your creativity. IGI's Professional Jewelry Designer (CAD) course teaches you to beautify your designs and creations using the wide range of professional tools found in Rhino 4.0 software.

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Retail workshops

Retail Workshops

IGI also offers retail sales programs and seminars to companies that wish to offer their staff enhanced gemological knowledge required for their sales presentation.

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IGI IGI Blog & News IGI Blog & News

Enjoy a collection of information from the world of diamonds, colored gemstones and fine jewelry.

Single Stone Repurposes Vintage Diamonds for a New Life

There’s been a lot of excitement around vintage these days. Celebrities are showing up on the red carpet in vintage designer creations and real people are shopping in thrift stores...

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74 ct Diamond Necklace Headlines HK's Magnificent Jewels Auction

An internally flawless fancy vivid yellow diamond set in a diamond studded necklace will headline Sotheby's Magnificent Jewels auction in LEARN MORE

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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GEMSTONE GUIDES GEMSTONE GUIDES

Diamond 4C’s
Diamond 4Cs
Diamond Shapes
Diamond Shapes
Jewelry Care Tips
Jewelry care tips