Faceting Design Diagram: Pop’s Orange – Sapphire / Corundum – Ruby, Ceylon, Padparadschah, Pink, Yellow, Green


Sapphire / Corundum (Ruby, Ceylon, Padparadschah, Pink, Yellow, Green)

Pop’s Orange (MC70.JRG)
By Jeff R. Graham
Copyright 2002
77% Light Return
Angles for R.I. = 1.76
105 facets + 16 facets on girdle = 121
8-fold, mirror-image symmetry
96 index
L/W = 1.000 T/W = 0.491 T/L = 0.491
P/W = 0.541 C/W = 0.160
H/W = (P+C)/W+0.02 = 0.721
P/H = 0.750 C/H = 0.222
Vol./W^3 = 0.273

Addition # 7 – This is designed for re-cutting native Sapphires. It will help improve color and keep weight. It is easy to cut and notice that I put a kicker on the pavilion to liven up the table reflection. NOTE: To save rough, just barely cut the P1, no need to center point…


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.