Mock Emerald: Faceting Design Diagram
Successful tips and guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Mock Emerald".0
Mock Emerald (MC33.JRG)
By Jeff R. Graham
82.7% Light Return
Angles for R.I. = 1.54
33 facets + 8 facets on girdle = 41
2-fold, mirror-image symmetry
L/W = 1.250 T/W = 0.884 T/L = 0.708
P/W = 0.499 C/W = 0.143
H/W = (P+C)/W+0.02 = 0.662
P/H = 0.754 C/H = 0.216
Vol./W^3 = 0.409
Addition # 4 - This is designed to set like a standard 8x10mm Emerald cut but has better yield and more brilliance. Cut in about any material, 1ct+. Works in Tourmaline and Topaz. Cut this in R.I. 1.54 to 1.76 983.3%) without changes.
Random - Cosine - ISO
Detailed faceting instructions by Jeff Graham available at The Rock Peddler
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