There are many opinions within the jewellery business about which grading lab is greatest when selecting a diamond. The difficulty with these opinions is that they are normally jaded as a result of the particular person/enterprise providing you with the opinion needs to promote you their diamond. Their opinion on which grading lab is greatest is set by what lab has graded their diamond, how handy is that? In the event that they personal a diamond licensed by EGL then they inform you that EGL is greatest, if they’ve one other diamond owned by GIA then GIA is greatest. These are biased opinions and you ought to be very cautious as to how a lot weight is given to them throughout your determination making course of.
The “Huge Three” grading laboratories as I wish to name them have related processes for certifying diamonds. This course of entails a number of Graduate Gemologists independently assessing and agreeing on the colour, readability, and carat weight of the diamond. This helps cut back the chance for human error when figuring out the ultimate grade for the diamond, though it does not get rid of it. You have to contemplate the undeniable fact that there isn’t any precise science behind diamond grading. I do know the grading techniques sound official and science like however they’re actually aren’t. Ponder this assertion for a second, “No two diamonds are precisely alike.” With that being mentioned, how may two totally different diamonds which aren’t precisely alike be graded precisely alike? In actuality they cannot be.
The opposite vital reality is that the ultimate high quality grades are choices or opinions not scientific calculations. So if they’re opinions and each diamond is graded by totally different labs and totally different graders then how may there be any consistency? Reality be identified, grading labs have a troublesome time with that, no matter which lab you speaking about. For instance for instance, that you simply ship a diamond to GIA for certification and it comes again carat weight – .50ct, clarity-SI2, Coloration-H. Then, you throw away the certification and ship the diamond again for a second grading as if it have been by no means graded earlier than. The possibility of it coming again SI2, H once more might be 80% and 20% that it will come again totally different. So the grading and certification course of is considerably flawed to start with. If you cannot get one grading lab to constantly agree with its personal grades, how may you count on different labs to agree with one other? Once more, there isn’t any straightforward reply to that query and as an business we nonetheless haven’t got it discovered.
From a shopper standpoint the very best strategy to purchasing a diamond is to make use of your greatest judgment. Learn the grading report from no matter lab licensed the diamond and study each the diamond and the certification. Use the certification as a rule of thumb or a place to begin, do not use it as the tip all be all. Learn the way the grading system works after which examine diamonds facet by facet beneath the microscope and resolve for your self which diamond seems higher.