Commercial Grade Score Calculator
Combine color, clarity, cut, treatment, and size into a saleability score.
Saleability score70/100
GradeVery Good
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How to use this calculator
Rate each factor 1–10 for a dealer saleability index.
Formula / method used
score = 0.30 color + 0.20 clarity + 0.20 cut + 0.15 size + 0.15 treatment (×10)