GIA Vs IGI Lab Diamonds

If you are looking to buy a diamond, you might be wondering about GIA vs IGI lab tests. The difference between them is significant, especially if you’re considering a diamond as an investment. The GIA does not provide diamond appraisals, because they are not involved in the pricing process of jewelry. Moreover, they don’t want to create a conflict of interest by determining the value of gems. On the other hand, the IGI does assess the value of diamonds, and has co-branded reports with third party appraisers.


While the GIA has long been considered the gold standard for diamond grading, you should consider other major labs before purchasing a diamond. While some are more lenient than others when it comes to diamond grading standards, others will abide by stricter criteria to ensure the quality of the gems they grade. The only difference between the GIA and IGI lab diamond is their certification.

While the GIA is held up as the gold standard of diamond grading, other labs are claiming to have a more relaxed standard. There are few prospective head-to-head comparison studies because sending a diamond to several different labs is expensive. Additionally, igi vs gia lab grown the sample sizes are often too small to draw reliable conclusions. Regardless of your preference, you should know that both GIA and IGI grading labs are renowned for the quality of their services.

Diamond’s quality

While both labs have similar grading standards, the GIA uses loose standards, which can give you a slightly different interpretation of the diamond’s quality. It also focuses on grading diamonds up to a certain size, so smaller diamonds may not be as well-graded as bigger ones. While GIA standards are stricter than those of IGI, you can still get a reasonably good diamond for your money with the right knowledge and research.

Frequently, people ask about the differences between GIA and AGS grading standards. These people are trying to determine which diamond grading laboratory is better. While the differences are small, they do apply to the most basic grading criteria. One example of this is the difference between GIA Excellent and AGS Ideal Light Performance. AGS graded diamonds are often cited as being more accurate, but there are also instances of inconsistency.

Definitely better

There are some pros and cons of each lab. The IGI has the largest footprint of all the diamond labs, and it also has its own school to train gemologists. AGS and IGI labs are widely recognized, but the differences between their certification are minor. If you want a diamond that is guaranteed to be of high quality and come with a high price tag, the IGI is definitely better.

The GIA sets the standards for grading diamonds. It also teaches people how to grade diamonds. Both AGS and GIA use computerized proportions analysis to determine the proportions of a diamond. In addition to this, both labs use proprietary software to grade diamonds. AGS is the gold standard in diamond grading, so it’s important to know what you’re getting.


There are some differences between an IGI and a GIA lab diamond. While both have their advantages and disadvantages, they operate on the same standards. The IGI follows documented methodologies and adheres to pre-set standards worldwide. However, a GIA lab uses a stricter grading system than does an IGI lab. Here’s a comparison of gia vs igi

While the GIA has long refused to grade lab-grown diamonds, IGI quickly established itself as the leader in this field. Their diamond grading reports are the same as mined diamonds, but come in different color covers. Both lab-grown diamonds are graded on their cut quality, color, and clarity, and have a hard copy certificate. If you are a GIA lab diamond buyer, consider taking a quiz to see if you know the difference between the two.


IGI’s grading reports are common in Asia and Europe. While GIA is the first lab to be trusted in the United States, IGI is growing its market share in Asia. Because IGI grades diamonds less strictly than GIA, it’s easy to get a decent diamond for your money. Furthermore, IGI labs are not standardized across the globe, so slight variations between labs may be present.

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