Queens Square II Gemstone DesignQueens Square II Gemstone Design

Queens Square II: 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 "Queens Square II"


Beryl (Aquamarine, Emerald, Helidore, Bixbite, Goshenite, Morganite, Golden Beryl)

Queens Square II Gemstone Design

Queens Square II (AQUA5.JRG)
By Jeff R. Graham
Copyright 1993
82.1% Light Return
Angles for R.I. = 1.56
61 facets + 12 facets on girdle = 73
4-fold, mirror-image symmetry
96 index
L/W = 1.000 T/W = 0.532 T/L = 0.532
P/W = 0.447 C/W = 0.211
H/W = (P+C)/W+0.02 = 0.679
P/H = 0.659 C/H = 0.312
Vol./W^3 = 0.273

Gram Book 1 - This design is tougher than it looks. The C6 facets must be cut exactly for the table to meet. If you have a keyed dop you can cut the table first, then cut the C6 facets to meet, 1-8cts. Cut in refractive index 1.56 to 2.14 (85.6%) 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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