57 facets, optimal proportions, and the play of light.
Brightness, fire, and scintillation — the cut quality trio.
Conceptual overview of cut grading from Excellent to Poor.
Table %, depth %, and crown/pavilion angles explained.
"Overweight diamonds" and where the carats hide.
Nailhead, fisheye, and light leakage — what to avoid.
What the pattern is and what it isn't.
Trade-offs that matter when choosing a diamond.