(Closed) What's the difference between EGL and GIA

posted 3 years ago in Rings
Post # 2
52 posts
Worker bee

GIA is a much better quality diamond! They have very strict guidelines for how they rate diamonds based on the 4 Cs… Cut, color, clarity and carat weight. GIA diamonds cost more but you know what you are paying for. EGL is another company rating system… But they aren’t as strict. So if the certificate says G in color, it may be more like I or J. Helzberg Diamonds company has EGL and they still want quite a bit of $ for them. If your sister and her boyfriend can afford it, definitely go for GIA diamonds! Hopefully that helps! 

Post # 4
9589 posts
Buzzing Beekeeper
  • Wedding: September 2015

GIA or AGS are the only grading labs you can trust. EGL or worse, EGL international certificates are not worth anything, too lax with their reports. 

Post # 5
733 posts
Busy bee

GIA doesn’t mean that it’s a better quality diamond. It’s just a more reliable grading system, so you know what you are getting. GIA will grade junky diamonds, too.

There’s another lab that is just as relaible as GIA that is more commonly used in Europe and Asia, but I’m blanking on the name right now. In the USA we tend to trust GIA the most.

Post # 7
6664 posts
Bee Keeper
  • Wedding: February 1997

MrsBuesleBee is correct; GIA and AGS are the only grading labs you can trust. They will grade anything sent to them, but will grade them honestly so you know if you are getting the color and clarity you are paying for. Nothing worse than buying either an uncertified stone or one graded by a different lab and finding out that you paid for the stats the store claimed it was when it was, in fact, lower quality. Many sellers know this and send their lower quality stones to less reputable labs to get inflated reports, while they send better stones to GIA or AGS because they know the stones will be graded well.

It is worth it to pay for a GIA or AGS stone unless you are a grading expert yourself and are able to examine the stones unset, under magnification, and in ideal lighting. Otherwise you can never be sure if you are paying a fair price. Like the saying goes, you get what you pay for with diamonds… or less.

Post # 8
70 posts
Worker bee

the difference is 2 shades in color at least. haha. no but seriously, I am working towards a gia diamond degree and there is just no comparison. I’m comfortable to buy a gia J and be confident that it faces white, but a egl J is most definetely a L or worse. I once bought a egl I ( before I had any idea of what i was doing) and now that i think about it it must have been at least a gia L . As far as clarity, a si2 egl will almost always be a gia I1. Just stay away from egl.

Post # 9
2342 posts
Buzzing bee
  • Wedding: June 2015

punkybrewster :  It’s HRD you’re thinking of. It’s the norm in Antwerp where most of the best cutting is done. 

I’m no diamond expert but the consensus of experts (trade members) on Pricescope seems to be that AGS has the toughest cut criteria and GIA the toughest colour criteria, so a GIA excellent cut could potentially fail to meet the top AGS cut grading (0), and an AGS H could possibly grade as a GIA I. 

As its North America dominated, there is less feedback on HRD except that it’s reputable. The reports look different but one of the loveliest sparkliest diamonds I’ve seen was HRD graded. It’s dimensions fell within the best HCA parameters. 

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