Does the natural facet remain intact? Does the diamond cut reflect any of the inclusion, blemishes and diamond structure imperfections? Does it refract the light well, to enhance scintillation and brilliance? All of these are factored in when grading a diamond cut. The cut grade is based on how each of the individual gems is impacted by its unique cut. If there is a larger gem that doesn’t weigh enough to properly match its size, then it isn’t graded as perfect and is not even eligible for IGI certification.
The carat scale for IGI certified diamonds depends on the size and weight ratio. IGI certified diamonds are graded on a concise color grade, with the grades ranging from D (Clear/ white/ 100% colorless) to Z (diamond with a yellow tint or a yellow hue). What Is The Scale Of Diamond Grading That Is Used For IGI? It must be analyzed for its flawlessness and its characteristics that include, but not limited to the 4Cs. There is time, patience, comparison with other diamond pieces and various pieces of equipment that all go into obtaining an IGI certification that is accurate and justifiably assigned to a diamond.Įven before a diamond qualifies for such a sort of certification, it must meet a high-priority standard that is laid down.
Is igi reputable professional#
This isn’t a certification that a diamond professional can look at and simply issue. It is a detailed testament to a specific diamond’s authenticity. What many of the consumers don’t realise is the immense amount of analysis and time that went into selecting diamonds that end up as the beautiful diamond ring that you are gazing upon.ĭiamond specialists make use of a system called the IGI (International Gemological Institute) certification so as to accurately label and classify worthy gemstones. When shopping for a brilliant cut diamond, most of the people know what is enticing to the naked, untrained eye of a consumer- nothing more, and nothing less.
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