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  World  Gemological  Institute™  

WHO WE ARE

World Gemological Institute (WGI) is a renowned international organization that provides high-quality gemological education, research and certification services. Located in the heart of London’s Diamond District, Hatton Garden, WGI has quickly become a trusted name in the gemstone and jewellery industry, providing reliable information and services to professionals and consumers alike.

 

World Gemological Institute (WGI) is committed to promoting and preserving the integrity of the gemstone industry, providing unbiased and accurate information to diamonds, gemstones and jewellery buyers, sellers and enthusiasts worldwide. WGI’s team of experts is composed of highly qualified gemologists, diamond graders, and researchers who are dedicated to providing the highest level of service to our clients.

 

World Gemological Institute offers a wide range of services, including gemstone identification and certification, diamond grading and appraisal services. The Institute uses the latest technology and equipment to ensure the accuracy and reliability of the WGI reports, recognised worldwide by insurance companies, retailers, auction houses, private jewellers and wholesalers.

GEMSTONE IDENTIFICATION

REPORT

Gemstone Identification Reports are requested for standard identification and verification of coloured stones, that includes species and origin of the material, detailed measurements, quality, weight as well as a photograph of the gemstone.

DIAMOND GRADING

REPORT

Our Diamond Reports cover the four C’s which are cut, colour, clarity and carat weight, as well as an in-depth diagram, which will give you a clear measurement and understanding of the diamond’s proportions

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JEWELLERY GRADING

REPORT

The Jewellery Report, with a full-colour image, provide a detailed description of the item; it is also possible to include a price evaluation. This is a valuable service for retailers and private individuals, as the jewellery piece has been certified by an independent organization.

WGI IS A GLOBAL COMPANY

World Gemological Institute is offering professional gradings and evaluations to the global jewellery industry. WGI has no vested interest in the outcome of your appraisal, apart from ensuring you get an expert report for your investments. All of our evaluations are fair and unbiased.

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