CZ
Cubic Zirconia, also known as CZs, are optically flawless gems that are generally colorless, have been used to imitate diamonds and colored to imitate colored gemstones. Brilliant synthetic cubic zirconia gemstones allow you to design and create beautiful and relatively inexpensive finished jewelry. Highly reflective, imitating the superior sparkling properties of diamonds, CZs are prized for their ability to act as imitation diamonds in a jewelry setting. Esslinger sells a wide variety of loose cubic zirconia gemstones several different colors for hobbyists and professional jewelers.
