
GSI SPECIAL HOLIDAY SEASON BLOG
The holiday season is a season to express love, and what is a better way to express love than a piece of jewelry. Every jewelry lover knows that jewelry is more than just metal and stone. Whether it is a...
The holiday season is a season to express love, and what is a better way to express love than a piece of jewelry. Every jewelry lover knows that jewelry is more than just metal and stone. Whether it is a...
With the rise of undisclosed lab-grown and treated stones, jewelers are turning to diamond-verification services to avoid misleading their customers. Image: Cayen Collection When consumers buy natural diamonds, they’re trusting the seller to offer them an authentic product that...
Gemological Science International (GSI), one of the largest gemological organizations in the world, announced today its new membership in The Plumb Club, becoming the first-ever gemological laboratory to be invited to join the prestigious organization. "GSI is thrilled to become...
Gemological Science International (GSI), one of the largest gemological organizations in the world, achieved SCS Global Gem Identification Verification Provider accreditation for its laboratories and offices around the world. All SCS-007 certified diamonds that are graded, scanned, and laser inscribed...
Gemological Science International (GSI), the leading gemological organization for major U.S. jewelry retailers, announced today the official launch of its new Assurance by GSI™ – a multi-faceted solution that offers various services for retailers. The new initiative includes an e-commerce...
GSI Jaipur Team in the reception lounge A gem testing laboratory of Gemological Science International (GSI) was inaugurated on 12 August 2021 in the premises of Rajasthan Chamber Bhawan of Commerce and Industry (RCCI). The chief guest of the inaugural...
By Maria Mrozek, Senior Gemologist GSI One of the fascinating features which gemologists are observing in diamonds, both natural and laboratory-grown, are inclusions. Inclusions are imperfections within a diamond that are result of different events during formation of natural and...
NEW YORK – June, 2021 – Diamonds Do Good (DDG) unanimously approved Debbie Azar, President and Co-Founder of Gemological Science International (GSI), one of the largest gemological organizations in the world, to join its Board of Directors. Diamonds Do Good...
NEW YORK – April, 2021 – Gemological Science International (GSI), one of the largest gemological organizations in the world, announced the opening of its newest laboratory in Jaipur, India. The Jaipur laboratory will offer all GSI’s core services. The new...
GSI Annual Policy Review Jan 2021
GSI is headquartered in New York, NY. It has 13 laboratories on four continents and in a number of countries: the United States, India, Dubai, Israel, Belgium, Hong Kong, and Botswana. This makes GSI one of the largest independent gemological organizations in the world.
All GSI laboratories grade using the same methods and adhere to the same standards. Every laboratory is staffed with highly trained professionals who have years of grading experience and an extensive gemological background.
The phrases “GSI Certificate” and “GSI Certified” are industry shorthand for GSI grading or identification reports. What this means to you is that expert gemologists and trained professionals meticulously evaluated the item. When your diamond, jewelry or gemstone is accompanied by a GSI grading report, you can be completely confident in the accuracy and objectivity of the evaluation.
GSI diamond grading and identification reports can be found in jewelry stores worldwide and online. Insist on a GSI grading report when shopping for a diamond, jewelry or gemstone.
Every GSI grading report is available on our website. Please visit gemscience.net and go to “verify your report”. Enter your GSI report number and you’ll instantly have access to a digital copy of it. You can also email us through the website to request a copy.