Watermelon Rise: 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 "Watermelon Rise".
Sunstone (Feldspar, Bytonite, Labradorite, Spectrolite, Orthoclase)
Watermelon Rise (SUN3.JRG)
By Jeff R. Graham
Copyright 2006
84.4% Light Return
Angles for R.I. = 1.54
55 facets + 12 facets on girdle = 67
1-fold, mirror-image symmetry
96 index
L/W = 1.000 T/W = 0.609 T/L = 0.609 P/W = 0.457
C/W = 0.165 H/W = (P+C)/W+0.02 = 0.643 P/H = 0.712 C/H = 0.257 Vol./W^3 = 0.218
PAVILION
CROWN
Addition # 11 - Cut in refractive indexes 1.54 to 2.14 with no changes. Depending on the color zones C5,C6 may be omitted and cut a larger table. This works very well in about any colored material but I designed it for pale watermelon.
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.
Related Articles
Bytownite Value, Price, and Jewelry Information
Orthoclase Value, Price, and Jewelry Information
Feldspar Value, Price, and Jewelry Information
Labradorite Value, Price, and Jewelry Information
Never Stop Learning
When you join the IGS community, you get trusted diamond & gemstone information when you need it.
Get Gemology Insights
Get started with the International Gem Society’s free guide to gemstone identification. Join our weekly newsletter & get a free copy of the Gem ID Checklist!