Cz Jewelry Gemstone -

: Significantly heavier than diamond, with a specific gravity of 5.6 to 6.0 (roughly 1.7 times that of diamond). 2. Grading and Quality Standards

: Ranks 8.0 to 8.5 on the Mohs scale, making it harder than most semi-precious gems and durable enough for everyday wear. CZ JEWELRY GEMSTONE

CZ is typically graded on an scale based on its cut, clarity, and color: : Significantly heavier than diamond, with a specific