Why and How a Diamond Sparkles
In order to select a diamond shape with the most sparkle or brilliance for your ring setting, you need to understand how and why a diamond actually sparkles. Predominantly, a diamond sparkles due to the number of facets it features which is the number of diamond cuts in the stone.
Facets act like mirrors, bouncing light to create that magical twinkle that so distinctively defines diamonds as we know them. When light enters a diamond, it travels through it, reflecting off its interior surfaces, called facets. It then either leaves the diamond as white light, called brightness, or it divides into the spectral colours of the rainbow: red, orange, yellow, green, blue and violet, called fire.
As you or the diamond moves, an effect called scintillation occurs – visible as alternating flashes of white and spectral-coloured light and the contrast of dark and light that moves around the diamond. This contrast is dynamic and causes what people call “sparkle.”
Generally speaking, the more facets cut within the stone, the more it will sparkle. There are actually several cuts of diamonds that were designed to optimise the sensational sparkle that wearers hold so dear.
Diamond Shapes with the most facets or cuts, produce more sparkle
Round Brilliant Cut Diamonds Have the Most Sparkle
The most facets and sparkle is featured in brilliant-cut diamonds. Of these, the modern round brilliant diamond cut is the most sought after. With 57 (sometimes 58) facets, the classic round shape combined with numerous facets grabs the light better than any other diamond shape. The more facets a diamond has, the more reflective surfaces there are to bounce and scatter light.Specifically designed for being the shape with the most sparkle, the modern round brilliant cut stones display the most brilliance possible.The number of facets is only one of the factors contributing to the sparkle of a diamond. The quality of the diamond cut is another very important contributing factor to the amount of sparkle produced by a diamond.
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The Quality of the Diamond Cut affects the Sparkle Too
The cut is based on how accurate the diamond’s proportions are in comparison to the ideal measurements for a given diamond cut and it can severely alter the sparkle of a diamond. Each facet needs to be cut perfectly and precisely and the art of the cut can increase the value of the diamond considerably.
So, just because the round brilliant diamond is the most “sparkly,” doesn’t mean ALL round brilliant diamonds will always shine bright. The round diamond must have high-quality cutting to be the shape that has the most sparkle.
Per the Gemological Institute of America (GIA)—the foremost authority on diamond certification—the beauty of the diamond will be diminished if the facets or cuts are poorly spaced. An even distribution of facets combined with the proper measurements ensures that there are no dark areas within the diamond and that light is reflected throughout the stone.
The shape of Diamonds with the most sparkle in order, assuming equal quality grade and the perfect cut are:
- Oval, Marquise, Pear
- Princess or Square
- Cushion, Emerald and Radiant
Forever Chic Jewellery Diamond Shapes and Cut Ethically Sourced For the Maximum Sparkle:
Brilliant Round Cut | Shape
Oval Cut | Shape
Marquise Cut | Shape
Pear Cut | Shape
Princess or Square Cut | Shape
Cushion Cut | Shape
Emerald Cut | Shape
Radiant Cut | Shape
Need Further Diamond Information Assistance?
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