GIA
Grading System
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The
GIA
Gem Trade Laboratory
is the hallmark of reliability, integrity and
consistency in diamond grading, identification and research. Its reports
have become internationally recognized for setting the standard of grading
excellence.
Throughout
the last sixty years, significant developments have occurred in the treatment,
evaluation and marketing of diamonds and other gem materials. Since its
founding in 1939 GIA Gem Trade Laboratory has been committed to serving
professional jewelers so that they may stay abreast of these developments.
The overwhelming
majority of grading reports worldwide on fine diamonds are issued by the
GIA Gem Trade Laboratory. Headquartered in New York, the lab has another
location in Carlsbad, California and two affiliate laboratories --
Tokyo and London.
The GIA Gem
Trade Laboratory maintains its independence because it is not connected
with trade, sales or manufacturing organizations and does not buy, sell
or appraise. Its only affiliation is as a subsidiary of the Gemological
Institute of America, the world's largest foremost non profit educational
organization for the gem and jewelry industry.
COMMITMENT
TO EXCELLENCE
The GIA Gem
Trade Laboratory makes no compromises on excellence. All procedures are
designed to ensure optimum consistency and accuracy. Recordkeeping and
routing techniques are meticulous in order to assure that each stone is
given top security and care in handling. Each stone is screened and authenticated,
with full coverage for client protection. The facilities are specially
designed for client efficiency, with the most sophisticated equipment
and computers available. But most important in the equation of excellence
is the training, experience and care of the laboratory's graders. Each
stone is carefully checked by numerous graders in order to assure maximum
consistency.
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