Cubic Zirconia » is the best-known man-made diamond simulant. A simulant is any material, natural or created by man appearance of a natural gem.cubic crystalline form of zirconium dioxide. The synthesized material is hard, optically flawless and usually colorless, it is made in a variety of different colors,so it is attractive. It should not be confused with zircon,so its zirconium silicate.Its low cost, durability, and close visual likeness to diamond,Its main competitor as a synthetic gemstone is a more recently cultivated material, synthetic moissanite.
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