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Diamond light reflection calculator9/14/2023 ![]() ![]() We partnered with AGSL to provide you with Scintillation Reports so you feel confident in the diamond you’re buying. To arrive at the Scintillation Report, the AGSL had to perform hundreds of thousands of tests with different diamond cuts, light spectrums, and so on.Īt Ritani, we’re always on the hunt for the newest and best innovations. The AGSL has worked for years to refine the science behind a diamond’s sparkle. The Scintillation Report is a unique and detailed report created by the American Gem Society Laboratories (AGSL). Our advice is to look for Ideal cut diamonds that have excellent polish, excellent symmetry, depth percentage between 59% to 62%, and a table percentage that falls within the range of 54% to 60% to allow the most light in (that’s what creates sparkle!). To enhance the sparkle even more, there are a couple of additional factors you can look for. If you’ve decided to buy an Ideal cut diamond, you’ve already chosen the number one factor for the most sparkle. The nuances of a diamond’s quality and sparkle are easier to see in natural light. That said, it also depends on how large the diamonds are, what kind of light you’re using, and if the stones are under magnification. An Ideal cut diamond will shine much brighter than stones with lower-cut grades. The easiest way to spot the difference between an Ideal cut and lower cut grades is in a diamond’s sparkle. Can you tell the difference between an Ideal cut and a diamond with a lower cut grade just by looking at them? Due to the alignment of its facets, only a classic round diamond can earn an Ideal cut grade or any cut grade for that matter. The GIA has yet to develop cut grades for fancy cut diamonds. At Ritani, we go with the most conservative grade possible, which usually comes from the GIA. Some labs have more relaxed standards than others. ![]() This benchmark is still used in North America as a guideline for grading Ideal cut loose diamonds.ĭifferent grading labs still have their own grading criteria to determine an Ideal cut. In 1919, mathematician Marcel Tolkowsky created the “American Standard” diamond proportions and angles for Ideal cuts. As such, there is no single set of proportions that will cause a stone to be graded Ideal. Over the years, several mathematicians and gemologists from all over the world have developed differing Ideal cut benchmarks. ![]() A diamond that is cut too deeply or too shallow will lose out on light return because its facets are not cut for maximum reflectiveness. This means the diamond’s crown and pavilion should be proportioned to maximize sparkle. Just as the name says, a diamond has to be cut perfectly to receive an Ideal grade. How does a diamond get an Ideal cut grade? In this post, we’ll teach you the traits and grading requirements of Ideal cut diamonds. If you’re looking for the best cut diamond to buy, the Ideal cut is it. They represent the top 1% of diamonds in terms of both quality and sparkle. Ideal cuts are truly the elite of the diamond world an Ideal cut diamond reflects nearly all the light that enters it and emits the most sparkle. ![]()
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