Difference between EGL and GIA Diamonds

It is critical to distinguish between EGL and GIA diamonds while buying diamonds. The GIA is the world's most well-known and reputable diamond grading body, whereas EGL is less prominent. When it comes to diamonds, nothing beats a GIA-certified stone. EGL and GIA are the world's most well-known diamond grading organizations.

EGL is also known as European Gemological Laboratory, and it is located in the Antwerp. GIA is also known as Gemological Institute of America, and it is located in the Carlsbad. Furthermore, EGL reports frequently include gemologist comments, but GIA reports do not.

Diamonds are, indeed, quite costly. However, as a diamond buyer, you may have certain concerns about the diamond's quality. How is it a nice kind of well-graded gem? Many grading companies and firms specialize in this field. For example, the EGL and the GIA offer diamonds a whole new meaning. The GIA is a laboratory based in the United States, whereas the EGL is based in Europe.

The GIA is a significantly older company than the EGL. The GIA popularized the four Cs of diamond grading, whereas the EGL popularized the SI3 technique of diamond rating. EGL grading is claimed to be more forgiving and generous than GIA grading, which is tighter and more accurate. An EGL diamond will almost certainly be less costly than a GIA-graded diamond of the same grading.

In terms of delivering consistent services worldwide, many customers and diamond specialists think that the GIA is a more unbiased business than the other. This is because at least four random experienced gemologists grade each diamond at the GIA office. As a result, they grade their gems considerably more strictly.

What EGL considers to be a grade G color may only be a grade I (lower grade) for GIA. Nonetheless, the EGL corporation benefits from this arrangement. For example, their diamonds are less expensive, even if they are similarly rated as their more expensive GIA counterparts.

Read this article to find out more about EGL and GIA Diamonds and how they are different from each other.

What is EGL Diamond?

EGL diamonds have been graded by the European Gemological Laboratory (EGL). EGL-graded diamonds are often less expensive than equivalent GIA- or AGS-graded diamonds, making them a popular choice for budget-conscious customers. EGL diamonds are also often said to be more "eye-clean," with less obvious imperfections to the human eye.

However, because EGL's criteria for grading clarity and color are often less strict than those of other laboratories, some customers believe EGL diamonds are less valuable than GIA- or AGS-graded counterparts. Finally, whether an EGL diamond is suited for you is determined by your preferences and budget.

In any case, EGL Europe asserts that if a diamond dealer is dissatisfied with the grading, he may acquire a certificate for free. This means that they increase their chances of profit by awarding better ratings. Every customer receives a price for the replacement value of the diamond.

However, these qualifications are not expensive. Many customer reviews indicate that the lab inflates the grade, causing the consumer to overestimate the quality of a diamond. As a result, he receives an expensive product that exceeds expectations.

What is a GIA Diamond?

GIA is known as the Gemological Institute of America. The GIA Diamond section focuses on diamonds and diamond grading. GIA Diamond provides certification services for both loose diamonds and completed jewelry.

GIA Diamond also includes jeweler teaching materials, such as books, films, and online courses. GIA Diamond is an excellent resource whether you're a professional jeweler or just curious about diamonds.

The GIA, or Gemological Institute of America, was the first to be created in history. The GIA is one of the main brands in diamond branding, with over a thousand staff ranging from scientists and lecturers to certified diamond graders. They perform laser inscriptions on the stones, grade the diamonds, and even provide lectures to possible buyers of these costly jewels as part of their services. They are regarded for developing the four Cs of diamond grading, which include color and clarity.

The GIA reports on diamonds include a complete description of the weight, dimensions, color, and cut. These evaluations also inform consumers whether the diamond has been treated in any way. GIA, unlike EGL, does not offer a replacement value quote for the diamond.

It should be emphasized that the GIA does not mine or trade diamonds. It also does not address its appraisal methodology. The group has no economic interests and focuses only on delivering diamond quality inspections. As a result, the cost of obtaining a certificate is significantly greater when compared to other organizations.

Differences between EGL and GIA Diamonds

The following table highlights the major differences between EGL and GIA Diamonds −




Formalized paraphrase

EGL is an abbreviation for European Gemological Laboratories.

GIA is expanded as the Gemological Institute of America.


EGL was founded in 1947

GIA was established in 1931 and was operational by 1953.


A diamond with an EGL report is not expensive

A GIA-certified diamond is relatively pricey.

Nature of organization

EGL is a for-profit organization that operates independently.

GIA is a non-profit organization that operates independently

Replacement Value

EGL always provides consumers with replacement value information.

GIA does not give clients with replacement value information.


Even though the two diamond grading laboratories utilize distinct methodologies to evaluate diamonds, they both reach the same conclusion. When determining which lab to grade your diamond, it is critical to understand its grading methodology and what each letter represents. EGL and GIA are widely regarded labs, so you can be confident that your diamond will be graded fairly and precisely.

Updated on: 16-Feb-2023


Kickstart Your Career

Get certified by completing the course

Get Started