Astor Star: Faceting Design Diagram
Detailed information and guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Astor Star".0
Astor Star (MC63.JRG)
By Jeff R. Graham
89.2% Light Return
Angles for R.I. = 1.54
49 facets + 8 facets on girdle = 57
4-fold, mirror-image symmetry
L/W = 1.000 T/W = 0.472 T/L = 0.472
P/W = 0.537 C/W = 0.202
H/W = (P+C)/W+0.02 = 0.759
P/H = 0.708 C/H = 0.266
Vol./W^3 = 0.339
Addition # 7 - This is my take on an old fashioned square emerald cut. This works very well in almost any material but particularly well in light colored materials. Cut this in refractive indexes 1.54 to 2.14 with no changes...
Random - Cosine - ISO
Detailed faceting instructions by Jeff Graham available at The Rock Peddler
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