Milestone by the Dare Devil Faceters

Milestone Planviews

GemCad Ray Traces for RI = 1.54
Random Model Cosine Model ISO Model
GemCad Ray Traces for RI = 2.16
Random Model Cosine Model ISO Model

Milestone
Designed by the Dare Devil Faceters
The original citrine Milestone cut by the Dare Devil Faceters weighs 5280 carats
Angles for R.I. = 1.54 313 facets + 24 facets on girdle = 337
24-fold, mirror-image symmetry 96 index
L/W = 1.000 T/W = 0.563 U/W = 0.563 P/W = 0.579 C/W = 0.180
Vol./W^3 = 0.303 Brightness at 0° tilt
RI = 1.54: COS = 40.7 ISO = 44.8
RI = 2.16: COS = 56.2 ISO = 72.6

Pavilion
1 90.00° 96-04-08-12-16-20-24-28-32-36-40-44-48-52-56-60-64-68-72-76-80-84-88-92 Cut to equal depth, establish size
2 70.00° 96-04-08-12-16-20-24-28-32-36-40-44-48-52-56-60-64-68-72-76-80-84-88-92 Match 1, cut level lower girdle line
3 64.00° 02-06-10-14-18-22-26-30-34-38-42-46-50-54-58-62-66-70-74-78-82-86-90-94 Meet 1.2.2.1
4 58.00° 96-04-08-12-16-20-24-28-32-36-40-44-48-52-56-60-64-68-72-76-80-84-88-92 Meet 3.2.3
5 52.00° 02-06-10-14-18-22-26-30-34-38-42-46-50-54-58-62-66-70-74-78-82-86-90-94 Meet 4.3.4
6 49.00° 96-04-08-12-16-20-24-28-32-36-40-44-48-52-56-60-64-68-72-76-80-84-88-92 Meet 5.4.5
7 46.00° 02-06-10-14-18-22-26-30-34-38-42-46-50-54-58-62-66-70-74-78-82-86-90-94 Meet 6.5.6
8 43.00° 96-04-08-12-16-20-24-28-32-36-40-44-48-52-56-60-64-68-72-76-80-84-88-92 Meet 7.6.7
Crown
a 52.00° 96-04-08-12-16-20-24-28-32-36-40-44-48-52-56-60-64-68-72-76-80-84-88-92 Match 1, cut level upper girdle line
b 46.00° 02-06-10-14-18-22-26-30-34-38-42-46-50-54-58-62-66-70-74-78-82-86-90-94 Meet 1.a.a.1
c 40.00° 96-04-08-12-16-20-24-28-32-36-40-44-48-52-56-60-64-68-72-76-80-84-88-92 Meet b.a.b
d 36.00° 02-06-10-14-18-22-26-30-34-38-42-46-50-54-58-62-66-70-74-78-82-86-90-94 Meet c.b.c
e 33.00° 96-04-08-12-16-20-24-28-32-36-40-44-48-52-56-60-64-68-72-76-80-84-88-92 Meet d.c.d
f 30.00° 02-06-10-14-18-22-26-30-34-38-42-46-50-54-58-62-66-70-74-78-82-86-90-94 Meet e.d.e
g 0.00° Table Meet f.e.f

Download PDF format printer friendly cutting instructions: [ Download Icon Milestone Printer Icon ]

Download the GemCad format design file: [ Download Icon milestone.gem ]


Index of Gem Designs

Perfect Transfer Index

Table of Contents

Bob Keller