Click Cushion: Faceting Design Diagram
Detailed information and guide on Faceting Designs. Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Click Cushion"
Tourmaline (Achroite, Dravite, Rubellite, Indicolite, Verdelite, Siberite)
Click Cushion (B27.JRG)
By Jeff R. Graham
89.2% Light Return
Angles for R.I. = 1.62
53 facets + 8 facets on girdle = 61
2-fold, mirror-image symmetry
L/W = 1.200 T/W = 0.639 T/L = 0.533
P/W = 0.532 C/W = 0.197
H/W = (P+C)/W+0.02 = 0.749
P/H = 0.711 C/H = 0.263
Vol./W^3 = 0.354
Addition # 5 - Cut a preform L/W=1.20… The P1 tier will meet the girdle only at 96-24-48-72. This is actually fast and pretty easy to cut. This works with no changes R.I. 1.62 to 1.93 (89.1%). Notice C5 will absorb a bit if your L/W is slightly off.
Random - Cosine - ISO
Detailed faceting instructions by Jeff Graham available at The Rock Peddler
Tourmaline Value, Price, and Jewelry Information
Mint Tourmalines: Gemstones for Our Times
Tourmaline Engagement Ring Stones: the Ultimate Guide
How Do Tourmalines Form?
Creating Ring Mountings for Deep-Cut Gemstones
How Does Topaz Form?
Prosopite Value, Price, and Jewelry Information
Gemstone Doublets, Triplets, and Other Assembled Stones
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!