What aspects does the cut grade influence in diamond light performance, and which categories are commonly used?

What aspects does the cut grade influence in diamond light performance, and which categories are commonly used?

• A. Cut only affects color, with grades A through F.
• B. Cut governs brilliance, dispersion, and scintillation; common grades include Excellent, Very Good, Good, Fair, Poor.
• C. Cut affects price but not light performance; grades include Prime, Standard, Substandard.
• D. Cut grades are numerical 0-5; no standard categories.

Answer: (B)