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

Cubic Zirconia (CZ) is the most popular diamond simulant, valued for its exceptional brilliance, affordability, and ethical, lab-grown origin. Unlike natural diamonds, which are carbon-based, CZ is the cubic crystalline form of . 1. Key Technical Specifications

: 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

CZ is typically graded on an scale based on its cut, clarity, and color: