CZ Cubic Zirconia Solitaire Ring 6 Prong 2 Carat engagement 14K white gold. C Almost gone. 14k White Gold Real CZ Pear Solitaire Wedding Anniversary Engagement Ring Band. C Almost gone. Halo PrincessCut Round Pave with Scalloped Side CZ .
Cubic Zirconia. Cubic zirconia (CZ) is the stabilised cubic form of zirconium oxide and is a synthetic (manmade) material. It has a very high refractive index and transparency and colourless CZ is used to mimic diamond. Our loose stones are supplied in calibrated sizes. Hardness: Mohs.