CUBIC ZIRCONIA
Cubic zirconia is the cubic crystalline form of zirconium dioxide(ZrO2). The synthesized material is hard, optically flawless and usually colorless, but may be made in a variety of different colors
Because of its low cost, durability, and close visual likeness to diamond,synthetic cubic zirconia has remained the most gemologicallyand economically important competitor for diamonds since commercial production began in 1976.
