Blue Daisy: Faceting Design Diagram
Detailed information and guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Blue Daisy".
Topaz (Swiss, Electric, London Blue, Imperial, White, Yellow, Pink, Champange)
Blue Daisy (TOPAZ4.JRG)
By Jeff R. Graham
83.4% Light Return
Angles for R.I. = 1.62
97 facets + 8 facets on girdle = 105
8-fold, mirror-image symmetry
L/W = 1.000 T/W = 0.483 T/L = 0.483
P/W = 0.438 C/W = 0.184
H/W = (P+C)/W+0.02 = 0.643
P/H = 0.682 C/H = 0.287
Vol./W^3 = 0.233
Gram Book 1 - This design is very different, but it cuts easy once you get going. It is a mixed cut and the steps on the top and bottom should be the same. I like this cut in blue material, 1-12cts. Cut in refractive index 1.62 to 2.14 (91%) with no changes.
Random - Cosine - ISO
Detailed faceting instructions by Jeff Graham available at The Rock Peddler
Topaz Value, Price, and Jewelry Information
How Does Topaz Form?
Colorful Options: Choosing Topaz Engagement Ring Stones
Top Spots for Gem Hunting in the US
What is the Best Lap for Polishing Sapphire?
Seven Famous Pearls and Their Histories
Opal Stones and Gems: Value, Price, and Jewelry Information
Seven Stunning but Delicate Engagement Ring 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!