Green Cross-Point: Faceting Design Diagram
Successful tips and guide on Faceting Designs. Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Green Cross-Point".
Peridot (Olivine, Green, apple green to yellow green)
Green Cross-Point (PDOT3.JRG)
By Jeff R. Graham
Copyright 1994
77.5% Light Return
Angles for R.I. = 1.67
37 facets + 4 facets on girdle = 41
4-fold, mirror-image symmetry
96 index
L/W = 1.000 T/W = 0.541 T/L = 0.541
P/W = 0.438 C/W = 0.207
H/W = (P+C)/W+0.02 = 0.665
P/H = 0.659 C/H = 0.311
Vol./W^3 = 0.297
Addition # 3 - A simple square cut with a lot of flash, this design cuts fast and is easy. A nice stone for about anything you want to do with it. Light to medium material, 1/2-4cts. Cut in refractive indexes 1.67 to 1.76 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.
Related Articles
Peridot Value, Price, and Jewelry Information
Peridot Buying Guide
Peridot Polishing Survey Results
Do Emeralds and Peridots Look Good Together?
Latest Articles
Rutilated Quartz Buying Guide
Basic Business Rules: Buying Rough
Peridot Value, Price, and Jewelry Information
Traditional Diamond Cut Grading Methods
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!