Diamond Certifications

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When purchasing a diamond along with each diamond, you should receive and review its lab certification. This lab report or certificate will be issued by a grading entity and describes various elements of the diamond, such as Color, Clarity. Trained professionals evaluate, scrutinize and measure the diamonds using professional tools, such as a loupe or microscope.

Each entity grades and describes diamonds differently—and sometimes the difference is significant. Several lab entities exist and it’s important to know which ones are trustworthy and reliable, and which ones are not.




The GIA (Gemological Institute of America) is the most well-respected and renowned diamond grading entity. They are incredibly consistent and provide the greatest peace of mind when purchasing any diamond.


The IGI (International Gemological Institute) began as the blue collar workhorse of the diamond business.

They were the most popular gem lab for major jewelry chains in the United States and Canada, like Kay, Zales and others.

IGI is like a factory: they work fast, and their prices are much better than those of GIA—which appeals to diamonds sellers but not necessarily the end consumer.


The EGL (European Gemological Laboratory)—vastly and inconsistently—inflates their quality claims. When considering an EGL certified diamond, you may think you’re getting a better deal. In reality, the price is highly inflated for an inferior product.


The GSI (Gemological Science International) is a new grading entity that’s only been around for a few years. Unfortunately they didn’t come to the industry with fresh ideas or innovative technology. They built their business by appealing to the big retail chains in the United States like Jared, Kay and Zales.


The AGS (American Gem Society) prides itself on being the original lab to provide diamond cut grades. Long before the GIA introduced their cut grade a few years ago, the AGS has been offering its unique cut grade scale from 0 to 9 (with 0 being termed “ideal”).




If you’re out there looking for the best diamond for your money, then please contact us and let us know your budget and what you’re looking for. We’ll sift through thousands of diamonds online and send you suggested stones to choose from that fit your needs the best.