Quick Cushion: 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 "Quick Cushion".
Beryl (Aquamarine, Emerald, Helidore, Bixbite, Goshenite, Morganite, Golden Beryl)
Quick Cushion (MC28.JRG)
By Jeff R. Graham
Copyright 1999
88.6% Light Return
Angles for R.I. = 1.56
41 facets + 8 facets on girdle = 49
4-fold, mirror-image symmetry
96 index
L/W = 1.000 T/W = 0.561 T/L = 0.561
P/W = 0.513 C/W = 0.174
H/W = (P+C)/W+0.02 = 0.707
P/H = 0.726 C/H = 0.246
Vol./W^3 = 0.304
Addition # 4 - This will work in R.I. 1.56-1.76 with no changes, I designed it for smaller stones, that is why the Pavilion is so simple. Works well in about any material, I use it for earrings, 1/2ct to 4cts. This works in Tourmaline and Topaz.
Random - Cosine - ISO
Detailed faceting instructions by Jeff Graham available at The Rock Peddler
