Gentleman's Choice Gem DesignGentleman's Choice Gem Design

Gentleman’s Choice: Faceting Design Diagram

Helpful tips and guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Gentleman's Choice".


Tourmaline (Achroite, Dravite, Rubellite, Indicolite, Verdelite, Siberite)

Gentleman's Choice Gem Design

Gentleman's Choice (CHECK66.JRG)
By Jeff R. Graham
Copyright 2003
89.6% Light Return
Angles for R.I. = 1.62
33 facets + 8 facets on girdle = 41
2-fold, mirror-image symmetry
96 index
L/W = 1.128 T/W = 0.456 T/L = 0.404
P/W = 0.495 C/W = 0.157
| H/W = (P+C)/W+0.02 = 0.671
P/H = 0.737 C/H = 0.233
Vol./W^3 = 0.327

Addition # 8 - Cut this in refractive indexes 1.62 to 2.14 with no changes. I designed this for a man's ring, the shape is like the old style Masonic rings. I like this in about any material. It cuts easily and quickly.


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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