Raja’s 1st: Faceting Design Diagram

Helpful tips, details and guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "Raja's 1st"


Garnet (Pyrope, Rhodolite, Almandine, Spessartite, Grossular, Demantoid, Tsavorite)

Raja's 1st (MC18.JRG)
by Jeff R. Graham
Copyright 1998
90.4% Light Return
Angles for R.I. = 1.74
37 facets + 4 facets on girdle = 41
4-fold, mirror-image symmetry
96 index
L/W = 1.000 T/W = 0.494 T/L = 0.494
P/W = 0.419 C/W = 0.136
H/W = (P+C)/W+0.02 = 0.574
P/H = 0.729 C/H = 0.236
Vol./W^3 = 0.247

Addition # 4 - This cuts easy, the crown can be cut lower for darker material, 1/4 - 2cts. This was designed for a friend of mine in Africa that needed a square cut for green Garnet. Cut in any Garnet or Sapphire, including man-made.

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.

Never Stop Learning

When you join the IGS community, you get trusted diamond & gemstone information when you need it.

Become a Member

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!