Just like Diamonds, there are a number ofQuality Levels, and there are a range of Price Points for these beautiful look-a-likes. CZ stones are gradedAB, A+, AA+, AAA+, AAAA+, and AAAAA+. Cubic Zirconia ( CZ ): Is the Cubic Crystalline form of Zirconium Dioxide (ZrO. ).
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