Faceting Design Diagram: 132 Radiant Cushion – Quartz – Citrine, Amethyst, Ametrine, Smokey, Rose


Quartz (Amethyst, Citrine, Ametrine, Smokey, Rose)

132 Radiant Cushion (B32.JRG)
By Jeff R. Graham
Copyright 2001
87.3% Light Return
Angles for R.I. = 1.54
51 facets + 8 facets on girdle = 59
2-fold, mirror-image symmetry
96 index
L/W = 1.322 T/W = 0.630 T/L = 0.476
P/W = 0.573 C/W = 0.164
H/W = (P+C)/W+0.02 = 0.757
P/H = 0.757 C/H = 0.216
Vol./W^3 = 0.375

Addition # 5 – Notice the P1 tier only meets the girdle at 96-24-48-72. The C5 tier is made to adjust the L/W if you are off a bit. This is a little tricky for a new cutter. Getting all the crown meets correct is not easy. This can be cut in R.I. 1.54 to 1.76 (89%) with no changes.


Random – Cosine – ISO

Detailed faceting instructions by Jeff Graham available at The Rock Peddler

Gram Faceting Archive of Information
This edited version of an article by the late Jeff Graham is part of a special archived informational series from Gram Faceting. Used with permission.