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Verify authentic, genuine Diamond Certificates HRD – IGI – GIA
statement of the diamond identity and grade, including all relevant information
Check Diamond grading reports authenticity online

HRD – Diamond High Council is a non profit organization
State controlled ISO 17025 HRD Antwerp
The abbreviation HRD stands for “Hoge Raad voor Diamant”
Translated in English it is “Diamond High Council” DHC

IGI – located in Antwerp World Diamond Center

Reliable Independent IGI and state controlled
HRD are more usual institutes for grading

GIA is a USA based independent commercial grading institute,
nonprofit organization

Is the IGI certificate as reliable as HRD or GIA certificate? Read more about here:

Is the IGI certificate as reliable as HRD or GIA certificate?

The International Gemological Institute, the world’s largest independent
laboratory for testing and valuating gemstones and fine jewelry, was
established in 1975 and is located in New York City, Antwerp, Toronto, Los
Angeles, Bangkok, Mumbai (Bombay), Dubai and Tokyo. IGI can be reached at

The International Federation of Diamond Bourses in their 1978 report
accepts IGI as an equal to the longer existing HRD or GIA.

Being a newcomer in those days (1975), IGI was being looked at with suspicion, and that is why – even nowadays – some people still refer to IGI as a lab too young to be good. Ironically, IGI today faces more discussions with
dissatisfied diamond dealers than HRD or GIA does, for it is their
feeling that IGI’s grading system has become too severe, both for color
as for clarity.

According to some diamond websites, the impression is given that GIA is
the ‘only’ consistent grader: however, GIA’s main share holder is Mr
Robert Mouawad who is involved in many diamond companies. This has given
some people in the diamond community more than once the feeling that a
conflict of interest could arise from this potential mix of diamond selling
with diamond grading. The recent GIA scandal in 2005 of diamond
misgradings for some very large diamonds will do nothing to quell such

Neither HRD, nor IGI houses share-holders that operate in commercial
diamond activities. This emphasizes their status of independence.

As for consistency of IGI grading:

August 26, 2003 IGI Becomes First International Gemological Lab to Become
ISO 9001:2000 Certified

IGI Awarded Certification in Both the United States + Canada

NEW YORK – The International Gemological Institute (IGI) today announced
its Los Angeles and Toronto labs were granted International Organization
for Standardization (ISO) 9001:2000 certification for operating a quality
management system in the scope of independent third party analysis of
diamonds, colored gemstones and jewelry articles.

ISO is a network of national standards institutes from more than 140
countries working in partnership with international organizations,
governments, industry, business and consumer representatives to more
directly link business objectives with business effectiveness.

ISO 9000 is a generic name given to a family of standards developed to
provide a framework around which a quality management system can
effectively be based. The ISO 9000 family of standards was revised in
December 2000.

According to IGI North America President, Jerry Ehrenwald, G.G., A.S.A.,
“This is a milestone for IGI. The ISO 9001 certification emphasizes the
Institute’s continued commitment to provide clients with the highest
quality of services available. It demonstrates that IGI is dedicated to
excellence in every phase of its business operations.”

To be certified to the standard, companies must implement a quality
management system that accounts for a range of company activities,
including staff training, meeting customer requirements and delivering
services. This is done using Plan-Do-Check-Act principles and Process
Management, which outlines the steps taken to provide customers the
services pledged by the company.

As part of the ISO process, a third party auditor performed on-site
assessments in both the Toronto and Los Angeles labs’ documented
procedures, and audited its overall operations. To ensure continued
compliance with ISO 9001:2000 and to provide feedback internally on
process effectiveness, IGI business operations will be independently
assessed by periodic routine surveillance audits.

GIA is an independent nonprofit organization established in 1931,  GIA (Gemological Institute of America) is recognized as the world’s foremost authority on diamonds, colored stones, and pearls.

GIA exists to protect all purchasers of gemstones, by providing the education, laboratory services, research, and instruments needed to accurately and objectively determine gemstone quality.

As creator of the 4Cs and the GIA International Diamond Grading System™, the Institute sets and maintains the standard for grading and identification practices used worldwide.

GIA can be found on the web at <>

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