Jewelry Gemstone | Cz

High-quality CZ is engineered for maximum light performance and durability:

: 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 JEWELRY GEMSTONE

: Rated at 0.058 to 0.066 , which actually exceeds diamond (0.044). This results in a "rainbow effect" of colorful flashes when exposed to light. High-quality CZ is engineered for maximum light performance