![]() Your diamond’s cut quality is what results in scintillation. Scintillation refers to the way light is reflected as the diamond is moved back and forth. Diamond Scintillationīrilliance and scintillation aren’t the same thing, either. ![]() The higher the dispersion, the stronger the fire. The light dispersion of a diamond is how it scatters white light into rainbow light. Fire and Light Dispersionĭiamond fire is also called light dispersion. All of the diamond’s surfaces have to be equal in quality to make for a truly brilliant diamond. The sparkle is about the surfaces of the facets, making the diamond sparkly on top, but not in its pavilion angles. Brilliance is the overall term used to describe the entire light performance of a diamond.Ī diamond can have high sparkle and low overall brilliance. The diamond’s sparkle refers to the intensity of the rainbow and white flashes of light reflected by a diamond’s top surfaces. The diamond’s sparkle is often confused with its brilliance, but they’re not the same thing. A diamond’s sparkle is the last element of diamond brilliance. Analyzing Diamond Sparkle: How Diamonds Reflect LightĪll of the elements of a diamond’s cut affect its overall brilliance. Without a good polish, diamond brilliance will be impacted by imperfections and nicks that can reduce a diamond’s light performance and cause its facets to appear cloudy. Polishing a diamond relates to diamond fire because it smooths out any nicks and scratches that may have happened during the cutting process. Under your diamond’s details, your polish may have a rating of Excellent, Very Good, or Good polish.ĭiamond polish refers to the surface finish of the diamond. PolishĪside from symmetry and the diamond’s proportions, polish is another important element to a diamond’s beauty and brilliance. A diamond whose depth is too shallow will have light leakage. If your diamond has light and dark areas, the diamond’s brilliance will have poor light performance. If the depth is too deep, it will cause dark areas in your diamond. Other shapes’ recommended depth percentage ranges are different. The recommended depth range for an “ideal cut” round brilliant cut diamond is between 58-62%. The depth percentage is the measure of how deep the diamond’s facets go down in relation to its width. Both can still result in exceptional sparkle. For example, some people prefer their cushion cut diamond to be elongated, while others prefer them to be shorter. Most diamond shapes allow for wiggle room to let you have your preference on its L/W ratio. If your ratio is too low, the diamond shape will appear narrow and not reflect white light and rainbow light as much as it should. Your L/W ratio affects your diamond sparkle in the same way the table percentage does, but it pertains to the entire crown of your diamond. Each diamond shape has its own recommended length to width ratios. ![]() The length to width ratio of a diamond is basically how narrow or wide your diamond looks from the top. And if the table is too small, not enough light enters, also resulting in dull brilliance. Instead, it can leak out the sides, resulting in poor brilliance. However, for the best reflection of white light return to the wearer’s eye, a well cut diamond usually ranges between 53-57%.Ī diamond table that is too large doesn’t reflect light entering the diamond back to the viewer. The ideal percentage for a diamond’s cut quality varies based on shape and preference. You can find your diamond’s table percentage in the specific details of your diamond information online when browsing and on accompanying diamond reports. A diamond’s table percentage is the ratio of the width of the table to the diameter of the stone. That’s right, it’s the top of your diamond when looking down at it. Shop Lab Grown Diamond Rings Table PercentageĪ diamond’s table is the biggest facet on a diamond.
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