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The “cut” of a diamond doesn’t refer to its shape, but rather its light performance. We analyze both the quantity and quality of the light that is being returned to the viewer’s eye. Using state of the art technology, we first measure the diamond in 3 dimensions, then using a proprietary software program we can trace the light as it travels through the diamond.* Of the 4 C’s we grade diamonds by, the “Cut” of a diamond has the greatest impact on value… up to 60%!
*The American Gem Society “Angular Spectrum Evaluation Tool” and the supporting software is the only diamond cut grading system endorsed and accepted by the scientific community. The paper entitled “Evaluation of brilliance, fire and scintillation in round brilliant gemstones” was printed in the September 2007 issue of the prestigious scientific publication “Optical Engineering.” The findings were also published in Optics & Photonics News. Rasmussen Diamonds is proud to be the first retail jeweler in the world to acquire and utilize this amazing tool to help accurately select and grade the diamonds that we sell. What does this mean to our existing and prospective customer? Rasmussen Diamonds is proud to use the most advanced instrumentation in the industry ensuring the diamond that you choose is as exciting and spectacular as the special moment you are celebrating.
These descriptions will help you understand the cut grade of your diamond:
“0” AGS Ideal Cut (R trademark): Superior Craftsmanship in the cutting process. All cut quality factors are at the highest possible levels, and they make the maximum contribution to the diamond’s beauty and value.
1 Cut – This describes a very high level of expertise on the part of the cutter. Very slight variations in one or more of the cut quality factors can only be detected by computer analysis or by a trained grader working until controlled conditions.
2 & 3 Cut – This describes a high level of cutting expertise. There are slight variations in one or more quality factors and can be detected by computer analysis or by a trained grader.
4 & 5 Cut – Minor variations in one or more cut quality factors can be detected by computer analysis or by a trained grader. These variations may have a slight effect on the diamond’s beauty, durability, or size appearance. You may notice differences in appearance if careful side-by-side comparisons are made to diamonds of higher cut grades.
6 & 7 Cut – Sizable Variations in one or more cut quality factors can be detected by computer analysis or by a trained grader. These variations have little effect (6) to a noticeable effect (7) on the diamond’s beauty, durability, or size appearance> You are likely to notice a less attractive appearance in diamonds that grade 6 and 7 due to light performance.
8 to 10 Cut – Major variations in one or more cut quality factors have significant (8) to serious (10) negative effects on the diamond’s beauty, durability, or size appearance. You almost certainly will notice poor light performance in many diamonds in these grades.
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