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ABOUT GIS

Your One-Stop Shop For Gemological Tests

We at GIS provide Gemstone Identification, Diamond Grading, and Jewellery Quality Analysis Reports to professionals and the general public. A team of accomplished gemologists conducts every test at the Gemological Institute (GIS) Laboratory.

GIS Winning the certification and Verification trust for decades

Excellence, Accuracy, And Expertise Are The Core Of Gis

GIS is the largest organization of its kind in India, with laboratories spread across the country. Quality assurance and grading service for Natural diamonds, natural Gemstones, precious Jewellery, and testing the authenticity of Rudraksha.

Using business measures, the Jewel Grading and Colour Stone Identification program will be structured by master experts. GIS (Gemological Institute & Systems) has the unique ability to evolve along with market trends.

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99% Customer Satisfaction based on 1000+ reviews from our happy customers!

Research Purpose

Verification and Analysis Report

GIS is a world leader in gemological research whose discoveries help us understand diamonds and gemstones in greater detail.

Public Interest

Aim To Protect

GIS sets global quality standards by conducting research, educating, and providing unbiased diamond grading and analysis.

Join our experts

Careers as GIS

GIS CORPORATE

In order to help the organization connect with the public, GIS's corporate teams work seamlessly with the organization's research, education, and laboratory teams.

GIS EDUCATION

It is our mission to inspire and educate the next generation of gemologists as the world's leading gemology schoo

GIS RESEARCH

The gem grading reports provided by GIS give consumers confidence that what they are buying is of high quality.

GIS RESEARCH

Our laboratory services rely on research in order to be the best Providing better service to jewelry buyers.

why choose us

Dedicated to Results

As the largest organization of its kind in the country, GIS has laboratories spread throughout the country. Providing quality assurance services for diamonds, gemstones, and precious jewelry, and testing Rudraksha’s authenticity.

Diamond Testing
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Gemstones Analysis
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Diagnostics

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Field Expertise

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Award Winning