The synthesized material Cubic Zircon is hard, optically flawless and usually colorless, but may be made in a variety of different colors. It should not be confused with zircon, which is a zirconium silicate (ZrSiO4). Here we sell knids of items of Cubic Zircon jewelry, including necklaces, bracelets, earrings, pendants, etc. Find your favourite and take it home to enjoy it.