diamond sparkle

Why Do Diamonds Sparkle Total Internal Reflection?

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Why Do Diamonds Sparkle Total Internal Reflection? Light cannot easily escape a diamond, because its critical angle with air is so small. Most reflections are total, and the facets are placed so that light can exit only in particular ways—thus concentrating the light and making the diamond sparkle. Why does the diamond sparkle? As the

Is H SI1 A Good Diamond?

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Is H SI1 A Good Diamond? For most shapes, an SI1 clarity diamond will be an excellent choice. However, emerald and asscher-cut diamonds make clarity features much more visible. We recommend choosing a VS clarity diamond for these shapes. Emerald-cut diamonds, like this one, act like a series of mirrors reflecting flaws throughout the stone.