Tag: diamond grading lab

GSI Diamond Certification-usa
Mark Gershburg, CEO of GSI

The Future and Importance of Education in the Gems and Jewelry Industry

Mr. Mark Gershburg, Founder- GSI, in an exclusive interview with The New Jeweller Group -   *Dear Mr. Mark, According to you how important is “Education” for the gems and jewelry industry members, especially in a competitive environment that the...

Read more
Debbie Azar- Co-Founding Partner GSI & Mark Gershburg- CEO GSI at CBG International Show

Gemological Science International demonstrated ‘Live Testing’ Services at Continental Buying Group (CBG) at LAS VEGAS – International Show

Gemological Science International demonstrated ‘Live Testing’ Services at Continental Buying Group (CBG) at LAS VEGAS - International Show   June 05, 2017, New York — Gemological Science International (GSI) offered its Live Testing services at the industry most premium event...

Read more
Debbie Azar, Co-Founder- GSI

Gemological Science International announces affinity partnership with Lavalier Personal Jewelry Insurance

May 17, 2017- Gemological Science International (GSI) and Lavalier Personal Jewelry Insurance announced an affinity partnership today. The Lavalier is now offering a 10% premium discount when consumers submit a grading report from GSI for jewelry they ensure at Lavalier.com....

Read more

GSI the First Diamond Grading Institute to bring International Standards to India participates in the 2nd edition of DDES

Gemological Science International (GSI) one of the world largest gemological organizations participates in the 2nd edition of DDES (Diamond Detection Expo & Symposium) a two-day event which aims to provide a platform for companies offering machines, expertise& equipment for the...

Read more
VDX

GSI adds Virtual Diamond Examination to its list of applications

GSI adds Virtual Diamond Examination to its list of applications Gemological Science International (GSI) announced adding Virtual Diamond Examination (VDX), a 360-degree HD video to its list of proprietary, high-tech software applications for diamond grading and reports. “GSI’s VDX Report...

Read more

GSI and MJDMA conducts Free Seminar for the Trade in Chennai

October 2015 – GSI (Gemological Science International), one of the world’s largest gem labs and MJDMA (The Madras Jewellers & Diamond Merchants' Association) hosted a free seminar at Chennai on “Indian Gem & Jewelry Industry – Issues and Solutions” on...

Read more

Banning Synthetics in Bourses Will Only Push Them Further Underground

The need to create and keep consumer confidence is something of a buzzword in the gem and jewellery industry. Today, with small, lab-grown diamonds being mixed undisclosed with parcels of natural rough, there is a heightened sense of urgency in...

Read more

GSI Surat Breaks New Ground in Bulk Star and Melee Testing

Surat, India – September 2015, GSI (Gemological Science International) one of the world’s leading gemological labs, is pleased to announce that it is the first and the only laboratory in India to begin batch testing for star and melee sized...

Read more

GSI PRESENTED THE FABULOUS ANAND SHAH’S COLLECTION AT INDIA INTERNATIONAL JEWELLERY WEEK 2015

GSI Gemological Science International, an independent gemological laboratory, presented the fabulous collection of couture designer Anand Shah called “The Garden of Eden” at India International Jewellery Week 2015. The Gemological Science International was established 10 years ago and is one...

Read more

FAQ

Where is Gemological Science International (GSI) located?

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.

Is there a difference between grading reports issued by different GSI laboratories?

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.

What does it mean when a sales associate tells me my diamond is “GSI Certified” or is accompanied by a “GSI Certificate”?

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.

Where can I find “GSI Certified Diamonds”?

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.

What do I do if I lose my GSI Diamond Report?

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.

Select your currency
USDUnited States (US) dollar
EUR Euro