Diamond certification is a system created by the United States Gemological Institute (GIA) to evaluate the quality of a diamond based on the 4 C in carats, color, clarity and cut. Diamond certification is also known as diamond grading and it is strongly recommended that couples only purchase certified diamonds. Diamond certificates, or classification reports, are issued by accredited gemological laboratories, such as the United States Gemological Institute (GIA). Diamond certificates contain information and grades for each of the characteristics of a diamond depending on the 4 C's: carat weight, color, clarity and cut quality.
The final classification of a diamond has a major influence on its price. The Gemological Institute of the United States is the leading authority on diamonds. In addition to its certification process, this organization is also known for creating the “4 C's” of diamonds, which are widely recognized as the important characteristics to consider before buying them. GIA's specialized services offer more analysis and information on its most outstanding natural diamonds.
GIA batch services use technology developed by GIA to analyze and classify natural diamonds based on different types of tests. The inconsistency between laboratories makes it difficult to trust the classification and verify the real quality and value of an EGL diamond. Level 0 on this scale indicates that diamonds are flawless and do not include perceptible inclusions, making the clarity flawless. Smart diamond companies use this knowledge gained by sending thousands of diamonds to different laboratories every month to maximize their results.
Be sure to buy a diamond with a certificate from a reputable rating authority and that you carefully review it before buying it. However, no two diamonds are identical, so applying a generalized approach to buying diamonds is not a good idea because each case is different and should be treated differently. Accredited diamond merchants often send their stones to AGS or GIA for consistent grading and because they appreciate transparency. A certified diamond has been evaluated by an external laboratory and comes with a certificate, while an uncertified diamond does not.
The files are less expensive than full reports and do not include the full graphic of a diamond that shows the exact location of the inclusions. Local jewelers will try to justify why a rating report isn't necessary and convince you to buy an unclassified diamond. A diamond that receives three zeros has been cut to perfection, with impeccable polish and perfect proportions and symmetry. While the 4 C's of diamond classification were already well known and several other classification systems were used, a uniform classification system became necessary to promote coherence across the industry.
We have also recently developed Ringo, a patented artificial intelligence model that can examine diamond videos and determine if they are clean for the eyes. The best diamond certifications are GIA and AGS because they are the most consistent laboratory rating entities. If you shop online, use James Allen's state-of-the-art diamond observation tool, or Blue Nile's 360° videos, and stick to the GIA or AGS certification, the most consistent laboratory available. Since diamond certificates are not created in the same way, the price and value of diamonds are not comparable between different certifications.
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