Journal

Diamond, lab-grown, moissanite and cubic zirconia compared on hardness, refractive index and dispersion — plus the part the numbers don't tell you: why a $59 CZ piece can be excellent or unwearable.

Two lab-created stones, two different jobs. Moissanite wins on hardness and fire; cubic zirconia wins on coverage per dollar. How to pick per piece, and what the metal underneath actually decides.

Learn how to clean CZ jewelry at home with a simple, gentle routine that removes everyday buildup and restores its sparkle. Discover what to use, what to avoid, and how to care...

CZ stands for cubic zirconia, a lab-created stone known for its bright sparkle and accessible price. Learn what CZ and 925 CZ mean on jewelry, how cubic zirconia differs from moissanite, and...