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Brilliant Cut

The classic round brilliant maximizes sparkle by balancing crown height, pavilion depth, and table ratio. Use this template as a familiar starting point.

Sources

  • https://www.gia.edu/round-brilliant-cut-diamond
  • https://en.wikipedia.org/wiki/Round_brilliant
  • https://en.wikipedia.org/wiki/Tolkowsky

FSL Spec

set name "Example:: Round Brilliant"
set ri 2.46
set gear 96

P1 3 @ 41.0 : cp xx 8
G1 3 @ 90.0 : size
P2 0 @ 39.8 : gp
C1 3 @ 50.0 : mp(P1, P2) +girdle
C2 0 @ 38.0 : gp
C3 6 @ 26.0 : mp(C1)
T 0 @ 0 : mp(C2) x1

Crown View

C1C2C3T
Brilliant cut crown overview

Pavilion View

P1P2
Brilliant cut pavilion overview