Tigers Tape: 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 "Tigers Tape."0
Tigers Tape (MIR1.JRG)
By Jeff R. Graham
91.2% Light Return
Angles for R.I. = 1.54
36 facets + 12 facets on girdle = 48
6-fold, mirror-image symmetry
L/W = 1.088 P/W = 0.441 C/W = 0.201 H/W = (P+C)/W+0.02 = 0.662
P/H = 0.666 C/H = 0.304
Vol./W^3 = 0.218
Addition # 9 - Depending on the size of the P3, P4(G), you may need to adjust the C2 angle. This is a new design concept that is fast and easy to cut. These are made to be Money Cuts. Cut this in refractive index 1.54 to 2.14 with no changes.
Random - Cosine - ISO
Detailed faceting instructions by Jeff Graham available at The Rock Peddler
Rose Quartz Value, Price, and Jewelry Information
Ametrine Value, Price, and Jewelry Information
Amethyst Value, Price, and Jewelry Information
Citrine Value, Price, and Jewelry Information
Why are Topaz and Citrine Gemstones Misidentified?
Identifying Garnets Simplified
Staurolite Value, Price, and Jewelry Information
Amethyst Buying Guide
When you join the IGS community, you get trusted diamond & gemstone information when you need it.
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!