Oh my goodness, Is this an example of baffle them with BS if you do not know what you are talking about?
Spektralyte-Z™ is a zirconium oxide substance that is created in a laboratory under extreme conditions. Achieving the finest Gem-Quality diamond look is our goal. To do this, we manufacture Spektralyte-Z™ in material that equals D-color, internally flawless diamonds according to the G.I.A. grading system. By cutting this material to exacting diamond-like tolerances, we can produce an end result that rivals the finest diamonds on the market.
Gemologists agree that Spektralyte-Z™ is the finest diamond alternative on the market today. Spektralyte-Z™ comes closer than any other material to matching the visual characteristics of a diamond. Even jewelers cannot tell the difference with the naked eye.
Enjoy your Spektralyte-Z™ jewelry as you would a genuine diamond, cleaning and caring for it in the same manner.
Found at: http://www.siestakeygems.com/