Cubic Zirconias

The bloodless diamond alternative.

Producing cubic zirconia is an art in itself. The extremely high temperature required to melt the ores (almost 5,000 degrees Fahrenheit) is too hot for any conventional crucible, or melting vessel, to withstand. Therefore, to produce cubic zirconia, scientists have devised a proprietary process. A radio-frequency "skull crucible" system is used, in which the melting zirconia powder actually creates the sides of its own container during its formation. Cooling this extremely hot molten ore becomes the most crucial step in the entire process. A carefully programmed cooling procedure is required to form the flawless crystals that are subsequently transformed into exquisite cubic zirconia gemstones.

Like diamonds, the best cubic zirconia gems are colorless (or white, as most people describe their colors) and do not lose their color or brilliance. Given proper cleaning, the cubic zirconia will retain its own flawless, radiant beauty permanently, just as the diamond does. To fulfill the jewelers' need for colors besides the unbeatable brilliancy, manufacturers also produce colored cubic zirconia. It is available in a variety of colors. Cubic zirconia gemstones are cut in the same fashion as diamonds. The size of the gemstone is usually indicated by its weight in carats, a carat being one-fifth (1/5 ) of a gram. The stone can also be measured in millimeter diameter size.

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