Easy Tri: 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 "Easy Tri".


Quartz (Amethyst, Citrine, Ametrine, Smokey, Rose)

Easy Tri (MC7.JRG) 4.06 carat Rhodolite
By Jeff R. Graham
Copyright 1999
83.7% Light Return
Angles for R.I. = 1.54
31 facets + 12 facets on girdle = 43
3-fold, mirror-image symmetry
96 index
L/W = 1.001 T/W = 0.536 T/L = 0.535
P/W = 0.399 C/W = 0.175
H/W = (P+C)/W+0.02 = 0.593
P/H = 0.672 C/H = 0.295
Vol./W^3 = 0.187

Addition # 4 - This is quick and easy to cut, I designed it for small stones 4-8mm is best. I use it a lot for earrings, it works well in Garnet, Tourmaline, Quartz… Cut this in R.I. 1.54 to 2.14 without changes.

Random - Cosine - ISO

Detailed faceting instructions by Jeff Graham available at The Rock Peddler

Jeff R. Graham

The late Jeff Graham was a prolific faceter, creator of many original faceting designs, and the author of several highly-regarded instructional faceting books such as Gram Faceting Designs.

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