"LAST ONE A round brilliant-cut cubic zirconia Cubic zirconia (CZ) is a diamond simulant. The synthesized material is hard, optically flawless and usually colorless, but may be made in a variety of different colors. The resulting material is purportedly harder, more lustrous and more like diamond overall. It should not be confused with zircon, which is a zirconium silicate. It is sometimes erroneously called \"cubic zirconium\" Because of its low cost, durability, and close visual likeness to di Vvs Clarity Round Moissanite Halo Ring, Dazzling Round Diamond Ring With Prong Setting, Diamond Halo Ring With Brilliant Cut, Vvs Clarity Round Diamond White Ring, Round Diamond Ring With Center Stone, Dazzling Round Halo Ring With Prong Setting, Cubic Zirconia Diamond Ring With Center Stone, Dazzling Cubic Zirconia Diamond Ring, Diamond White Brilliant Cut Diamond Ring