DIAMOND CERTIFICATES

It is always a good idea to have your diamond graded or certified. Reputable jewellers should provide a certificate of authenticity when you purchase your diamond, denoting the standards for cut, colour, clarity and carat plus any other distinguishing features. These certificates are produced by independent labs whose job it is to evaluate diamonds. Below we provide an overview for the most recognized sources for diamond certificates. The two most reputable diamond grading institutions are GIA and HRD. 

 

AGS – American Gem Society

The American Gem Society is a non-profit trade association established in 1934. Members of the AGS include fine jewellers and suppliers in the USA, Canada and internationally.  The Society is dedicated to consumer protection.

www.americangemsociety.org

 

EGL – European Gemmological Laboratory

EGL offers a range of certificates and is not involved in the trade of diamonds or gemstones. The company has offices in London, Paris, Antwerp, Mumbai, Hong Kong, Seoul and Johannesburg.

www.eglinternational.org

 

GIA – The Gemmological Institute of America

The GIA was established in 1931 and aims to provide independent diamond verification. The non-profit institute has laboratory facilities, undertakes research and runs a gemmological diploma.

www.gia.edu

 

HRD Antwerp (AKA, the Antwerp Diamond High Council)

Based in Belgium, HRD Antwerp is a highly-respected grading firm with a 30-year history. It comprises a diamond lab, precious stone lab, undertakes research and provides equipment to the industry. The company has offices in China, Hong Kong, India, Middle East and Turkey; and labs in Antwerp and Mumbai.

www.hrd.be

 

IGI – The Institute of Gemmology

The world's largest independent gem certification and appraisal institute for diamonds, coloured gemstones and jewellery’. IGI has offices in: Antwerp, New York, Hong Kong, Mumbai, Bangkok, Tokyo, Dubai, Tel Aviv, Cavalese, Toronto, Los Angeles, Kolkata, New Delhi, Thrissur, Surat, Chennai and Shanghai.

www.igiworldwide.com

 


 

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