How to see the diamond certificate of authenticity

The value of diamonds is determined by the four C word diamond, diamond appraisal certificate was called the fifth diamond C word (CERTIFICATE). In fact, according to the Gemological Institute of America marked the name "Diamond Grading Report" and other unrealistic name. Today, founded by Gemological Institute of America diamond grading system and terminology for long been recognized by the international diamond community languages "(THEINTERNATIONAL DIAMON LANGUAGE), many users of his system of identification of the species, also cited their terminology. Today there are many gems it may not be identified by the practitioners are graduates of the Gemological Institute of America, but the use of the standard is still based on diamond identification system created by GTL as a template, because did not he kind of system really can replace a wide range of public awareness.
Identification of the origin of the diamond certificate
Gemological Institute of America (GEMOLOGICAL INSTITUTE OF AMERICA referred to as GIA) was established in Los Angeles in 1913, initially training with night school and correspondence prices jeweler how to assess and provide reference data for jewelry wholesale prices. However, to assess the price, you must first determine the quality. In order to adapt to the fact that needs, GIA created its own system was to assess the quality of diamonds and other precious stones.
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After World War II, New York's position in the diamond market, more and more important. Inquiry to the GIA diamond quality and how to identify the growing number of jewelers, so that after 1953, GIA in New York founded by the first identification, appraisal reports issued since diamonds, commonly known as the identification certificate, in order to meet the demand. In addition to the identification of the outside in New York, also in Santa Monica, California (SANTA MONICA) and the Los Angeles city (currently Los Angeles, has been identified by the end of) the establishment of identification by another two, so there are two main identified by the. The identification of the official name is "Identification of the gemstone industry company" (GEM TRADE LABORATOR, INC. Referred to as GTL), under GIA, identified only as precious stones, not valuation.
GIA is a nonprofit business organization, by the well-known jeweler in U.S. and jointly support the establishment of celebrities. Therefore, the U.S. jewelry industry, GIA is shared by those who shared the identification of bodies, their subsidiary bodies such as the GTL industry was to provide the authentication services, generally for the public trust, not by the U.S. jewelry industry for its support and for the discrimination.
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Diamond certificates for the sale of diamonds produced to make a tremendous change in the quality of the original identification must be successive, and now can refer to the certificate of authenticity. Statements in accordance with GTL, they issued the certificate, such as when a transaction basis, GTL is not responsible. However, due to their certificates and trust are generally welcomed, many jewelers are happy to use it as a basis for quality diamonds. The circulation of the original certificate only in the diamond business in the industry, and finally reach the hands of consumers, not only popular in the United States and around the world, it needs a certificate increasing demand, bottlenecks in the formation of diamond trading.
Function of the diamond certificate of authenticity and effectiveness of
Diamond Grading Certificate (DIAMOND GRADING REPORT) the true meaning of the diamond quality grading report, GIA has repeatedly stated that a report is issued instead of certificates. The main purpose of this report is to: diamond diamond.yifei8.net
? Do not run true and false: those who identified with the diamond certificate, is clearly not it kind of gem diamonds or fake diamonds.
? Characteristics of records: identification certificate records the weight, size, fluorescence reaction, are to identify the characteristics of the diamonds. In particular, draw out the photos on the diamond surface features or inclusions, but also identify the specific instructions, If you do not draw the diamond surface features or inclusions, nor Annotated diamond appraisal certificate, they will lose this feature .
? Quality Analysis: diamond weight, purity, clarity, cutting and grinding work (commonly known as the Cut) and ratio are defined in detail in the identification certificate, the certificate of authenticity is the quality of the diamond record.
? Valuation Reference: diamond valuation in the can to the right, you must first understand the quality. Most of the quality of the information contained on the identification certificate, the certificate of authenticity is the estimated value of an important reference for the diamond.

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? retention data: identification of the certificate can record the data, for subsequent re-valuation, the cost of purchase or sales statistics are very clear and easy reference.

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