but with modern techniques the inclusions are "filled," making them less visible. The enhancement process has the same optical properties as a diamond so light travels through the stone as if those original inclusions weren't there, allowing the diamond to sparkle and scintillate as fiery as a...
(by extension) To shine as if throwing off sparks; to emit flashes of light; to scintillate; to twinkle The stars sparkle in the sky. Shine To be eminent, conspicuous, or distinguished; to exhibit brilliant intellectual powers. Sparkle (intransitive) To manifest itself by, or as if by, em...