Diego Light House: Faceting Design Diagram


Successful tips and guide on Faceting Designs. Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Diego Light House"

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

Diego Light House (MC77.JRG)
By Jeff R. Graham
Copyright 2002
88% Light Return
Angles for R.I. = 1.54
43 facets + 4 facets on girdle = 47
1-fold, mirror-image symmetry
96 index
L/W = 1.000 T/W = 0.197 T/L = 0.197
P/W = 0.307 C/W = 0.185
H/W = (P+C)/W+0.02 = 0.513
P/H = 0.599 C/H = 0.362
Vol./W^3 = 0.117

Addition # 7 - This is a variation of my original "Light House" design that is free online. A lot of people have asked me for another design like it for a larger stone. Here it is... I like this in lighter colors 1.54 to 1.93 with no 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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