Diamonds Up: Faceting Design Diagram
Detailed information and guide on Faceting Designs. Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Diamond Up".0
Diamonds Up (MIR3.JRG)
By Jeff R. Graham
92.9% Light Return
Angles for R.I. = 1.54
29 facets + 8 facets on girdle = 37
4-fold, mirror-image symmetry
L/W = 1.000 T/W = 0.304 T/L = 0.304
P/W = 0.435 C/W = 0.229
H/W = (P+C)/W+0.02 = 0.684
P/H = 0.635 C/H = 0.335
Vol./W^3 = 0.266
Addition # 9 - Note: The corners do not cut to center point. This design is made so the corners can vary depending on rough. Just eyeball the P3(G) in until it looks right. This cuts fast and works well in any light to medium saturated material. Cut this in refractive index 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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