Sword Oval: 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 "Sword Oval"
Sword Oval (SAP13.JRG)
By Jeff R. Graham
77.3% Light Return
Angles for R.I. = 1.76
65 facets + 12 facets on girdle = 77
2-fold, mirror-image symmetry
L/W = 1.203 T/W = 0.542 T/L = 0.451
P/W = 0.482 C/W = 0.258
H/W = (P+C)/W+0.02 = 0.760
P/H = 0.634 C/H = 0.340
Vol./W^3 = 0.323
Gram Book 1 - This design cuts pretty normal, it makes a nice stone in lighter colored material. It's got more light return than most ovals, and it's not too shallow on the crown like some CAD designs, 1-8cts. This works in man- made Sapphire, and Spinel.
Random - Cosine - ISO
Detailed faceting instructions by Jeff Graham available at The Rock Peddler
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