Diamond Cut Quality
Master diamond cut quality - the most important factor affecting brilliance, fire, and overall beauty of your diamond.
Diamond Cut Grades
Cut grade determines how well a diamond reflects light. Higher grades mean more brilliance and sparkle.
Excellent
Maximum light performance. Reflects nearly all light that enters.
Light Performance: Maximum brilliance and fire
Very Good
Reflects most light that enters. Very slight loss of brilliance.
Light Performance: Excellent sparkle
Good
Reflects most light but not as much as higher grades.
Light Performance: Good sparkle
Fair
Noticeable loss of light performance.
Light Performance: Limited sparkle
Poor
Significant light loss. Appears dull and lifeless.
Light Performance: Minimal sparkle
Understanding Light Performance
How diamond cut affects light behavior and creates the sparkle that makes diamonds so captivating.
Light Return
Brilliance
White light reflected back to the eye. More brilliance means more sparkle.
Fire
Colored light dispersion that creates rainbow effects. More fire means more color play.
Scintillation
Sparkle patterns when diamond moves. More scintillation means more dynamic sparkle.
Cut Factors
Proportions
Ratio of crown, pavilion, and table. Perfect proportions maximize light return.
Symmetry
How well facets align. Perfect symmetry ensures even light distribution.
Polish
Surface smoothness. Better polish reduces light loss and enhances sparkle.
Expert Cut Tips
Professional advice for choosing the perfect diamond cut grade.
Cut is Most Important
Cut affects diamond beauty more than color, clarity, or carat. Prioritize cut grade for maximum sparkle.
Excellent vs Very Good
Most people can't tell the difference between Excellent and Very Good cuts, but price difference can be significant.
Shape Affects Cut
Some shapes (emerald, asscher) show cut quality more than others (round, princess).
Lighting Matters
View diamonds in different lighting conditions to see true cut quality and light performance.
Find Your Perfect Cut
Use your cut knowledge to select diamonds with maximum brilliance and sparkle for your budget.