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"


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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