Low Boy: Faceting Design Diagram
Successful tips, details, and guide on Faceting Designs. Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Low Boy".
Low Boy (MC54.JRG)
By Jeff R. Graham
75.8% Light Return
Angles for R.I. = 1.54
45 facets + 8 facets on girdle = 53
4-fold, mirror-image symmetry
L/W = 1.000 T/W = 0.713 T/L = 0.713
P/W = 0.454 C/W = 0.129
H/W = (P+C)/W+0.02 = 0.604
P/H = 0.753 C/H = 0.214
Vol./W^3 = 0.202
Addition # 7 - The crown on this is low for dark materials, it can be raised in higher refractive indexes. Cut in indexed 1.54 to 2.14 with no changes. Tourmaline is 86.9%… I really designed this for Garnet.
Random - Cosine - ISO
Detailed faceting instructions by Jeff Graham available at The Rock Peddler
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