Diamonds sparkled in the light, the formation of shiny, we call light or fire, which can be explained scientifically. If the same amount of light projected Chanel Jewelryonto a pile of smoked toner and has diamond cutting and grinding, although both non-metallic material, but the response was very different light. 

Projection in the toner is absorbed more light on, so black. When the light projected onto a diamond has been polished, the part of the light reflected Bvlgari Cufflinks from the surface, known as the outer reflection. The rest of the light into the diamonds, because diamonds are higher and the internal refraction of light density.

Light generated in the diamond internal reflection plane and then called the internal reflection, and then the light reflected back to the diamond at the Gucci Necklace top, and then refracted out from the crown, scattered into the optical chromatography, is Diamond's "dispersion" of light, also known as fire.