IGI Resumes Diploma Programs in Turkey

IGI has resumed classes in Istanbul, again providing Middle East residents with training and paths to careers in the diamond, gem, and jewelry industry. Students from Turkey, Syria, and Iran attended the first classes to recommence last month.

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Scenes from JCK

IGI Certifies Historic 50.25 carat Lab Grown Diamond

Just days after certifying a record-setting 35 carat lab grown diamond, IGI has certified a 50.25 carat specimen measuring 22.95 x 18.45 x 11.57 millimeters – the first lab grown diamond to surpass the significant “half-century” mark in carat weight.

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IGI Certifies 35.00 carat Lab Grown Diamond

IGI has analyzed and graded a 35.00 carat laboratory grown diamond measuring 23.37 x 15.24 x 9.06 millimeters, the largest to date. Produced by Maitri Lab Grown Diamonds (Maitri), the new record holder was grown using the Chemical Vapor Deposition (CVD) process.

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Join IGI at JCK Las Vegas – Daily Schedule

Take note of IGI’s daily schedule for the upcoming JCK show, where we will offer onsite diamond screening and grading, provide education at two “JCK Talks” sessions, conduct demos and host happy hours daily, and provide information to attendees at two separate booth locations.

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The art of diamond grading

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, and jewelry.

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IGI and Luxus Become Valuation and Content Partners

IGI has partnered with Luxus, a new platform permitting people to invest in a “best in class” selection of precious gems, high jewelry and rare watches. The institute will serve as Luxus’ independent valuation partner, setting the value of pieces listed on the platform. 

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Magnifying Glass

Diamond Detection and Handheld Testers

Handheld gemstone testers are commonly used to differentiate between diamond and diamond-simulants like CZ and moissanite. However, as diamond growing technology advances the technology used in those devices becomes more limited.

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Digging for Gold in New York’s Sidewalks

Gold and gemstone prospectors work the streets of New York’s illustrious diamond district, but you might not recognize them at first. Kneeling, gloved, scraping and brushing, they could be mistaken for pedantic street cleaners but don’t be fooled. Historically some Big Apple prospectors have claimed over $300 per day in “paydirt.”

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IGI Ribbon Cutting

IGI Expands Capacity with New Mumbai Offices

IGI is expanding its operations at the Bharat Diamond Bourse in Mumbai, India. The institute will continue providing full-fledged sorting and screening services from a new facility which will handle greater capacity.

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IGI and Lindsey Scoggins Studio

IGI and Lindsey Scoggins debut New Report Format

In response to a growing need for diamond screening in finished jewelry, IGI has launched a new Designer Appraisal Report. With more insurance companies requiring third-party appraisals for high-value articles, these independent reports will be useful protection for clients of quality-minded designers and brands.

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IGI and University of Naples Federico II to present in Italy on July 22

The International Gemological Institute and the University of Naples Federico II, the oldest public non-sectarian university in the world, will collaborate on a presentation at the 3rd National Diamond and Colored Gems Conference in Bari, Italy on Thursday, July 22.

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IGI Gemologists tell your diamond's story with certification and grading

Watch ‘Your Diamond Story’ video from IGI

A diamond’s journey through our laboratory is one of sophisticated assessment and analysis. From intake through inscription, every step is performed with careful attention to detail and thorough, transparent reporting. See how Your Diamond Story may be told to the world with confidence, in this descriptive video.

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IGI becomes first Gem Lab to commit to Carbon Neutrality

IGI New York has become the first gemological institute to commit to carbon neutrality through association with SCS Global Services (SCS). Since 1984, SCS has been advancing sustainable development goals across multiple sectors, working with a number of prominent diamond and jewelry industry entities including the Responsible Jewelry Council (RJC) and Responsible Minerals Initiative (RMI), among others.

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The Spinel Murder Mystery of 2015

Mystery \ mist(ə)rē \ : inexplicable or secretive quality or character. A plot. An (international) intrigue, along with the solution […]

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IGI Hong Kong opens new headquarters

IGI Hong Kong is pleased to announce the opening of new headquarters in the historic Hung Hom district, the home of numerous jewelry producers, international jewelry trade shows and expos and the Hong Kong Jewelry Manufacturer’s Association.

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Tiffany ‘Full Craftsmanship Journey’ traces diamonds mine to market

Tiffany & Co. has announced a program detailing the provenance of the diamonds they sell, beginning with country and mine of origin. The New-York based jeweler plans to share this “Full Craftsmanship Journey” for every newly-sourced diamond of 0.18 carats or more.

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IGI welcomes GIA and AGS to lab-grown diamond grading

Earlier this month GIA and AGS announced policy changes regarding lab-grown diamonds. IGI is proud to see other organizations adopt our long-held philosophy regarding the dual-channel legitimacy of natural and lab-grown diamonds, and believe professionals and consumers alike will benefit from the increased transparency in our industry.

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Woman holding ring

Natural diamond? Lab-grown diamond? How to choose?

“A diamond is forever,” but the makers of that slogan considered it a two-way street, connecting a diamond’s billion-year past with an infinite-future. They never imagined someone proposing with a “forever” diamond that’s younger than the bride.

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IGI India featured on CNBC TV18

Tehmasp Printer, Managing Director of IGI India, appeared on CNBC TV 18 India in a segment recapping the diamond business in 2019, from IGI’s perspective.

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Identifying isotropic vs anisotropic gemstones

When the Great Imperial Crown was made for the coronation of Catherine the Great in 1762 the court jewelers believed they were topping over 5,000 diamonds and pearls with an enormous 398 carat ruby. But it was never so. They had been fooled by a charming imposter.

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