Home Rough Bargains Equipment Books Online Designs Just Ask Jeff Order News List Contact Me Links
Amethyst Aquamarine Beryl Citrine Emerald Garnet Opal Peridot Sapphire Scapolite Spinel Sunstone Topaz Tourmaline Quartz Zircon
Beginner's Page New Stuff Odds & Ends Specials Parcels Synthetics
Cut Gemstones Gemological Information Gemstone Pricing Guides How to buy Gemstones

Sapphire / Corundum (Ruby, Ceylon, Padparadschah, Pink, Yellow, Green)

Pop's Orange (MC70.JRG)
By Jeff R. Graham
Copyright 2002
77% Light Return
Angles for R.I. = 1.76
105 facets + 16 facets on girdle = 121
8-fold, mirror-image symmetry
96 index
L/W = 1.000 T/W = 0.491 T/L = 0.491
P/W = 0.541 C/W = 0.160
H/W = (P+C)/W+0.02 = 0.721
P/H = 0.750 C/H = 0.222
Vol./W^3 = 0.273

Addition # 7 - This is designed for re-cutting native Sapphires. It will help improve color and keep weight. It is easy to cut and notice that I put a kicker on the pavilion to liven up the table reflection. NOTE: To save rough, just barely cut the P1, no need to center point...




Random - Cosine - ISO

Return to OnLine Design Index

Home Rough Bargains Equipment Books Online Designs Just Ask Jeff Order News List Contact Me Links


Copyright 1998-2007 Gram Faceting - All Rights Reserved.