Lapidary Foundation
Foundation
  • Articles
  • Patronage
Community
  • Materials
  • Collections
  • Designs
Atelier
  • Designer
  • Companion
125507589909192939495969798100200231
08.149 Ultrabrilliant Cushion Spider Web
Broadfoot, John; Facet Talk, Sep-Oct 2012; Facets, Dec 2013 p13;
  • Refraction ≈ 1.54
  • Indices =
  • Facets = 89 + 16
  • L/W = 100.%
  • H/W = 69.9%
  • V/W³ = 25.4%
Diamond
Emerald
08.150 Easy Cushion Rectangle
Long, Robert; Unpublished;
  • Refraction ≈ 1.54
  • Indices =
  • Facets = 89 + 16
  • L/W = 100.%
  • H/W = 69.9%
  • V/W³ = 25.4%
Diamond
Emerald
08.151 Easy Cushion Rectangle Mod
Long, Robert; Unpublished;
  • Refraction ≈ 1.54
  • Indices =
  • Facets = 89 + 16
  • L/W = 100.%
  • H/W = 69.9%
  • V/W³ = 25.4%
Diamond
Emerald
08.152 Step Cut Oval
Ruelle, Maxime; Unpublished;
  • Refraction ≈ 1.54
  • Indices =
  • Facets = 89 + 16
  • L/W = 100.%
  • H/W = 69.9%
  • V/W³ = 25.4%
Diamond
Emerald
08.153 CHOPPED MARQUISE
Long, Robert H.; Unpublished;
  • Refraction ≈ 1.54
  • Indices =
  • Facets = 89 + 16
  • L/W = 100.%
  • H/W = 69.9%
  • V/W³ = 25.4%
Diamond
Emerald
08.154 PaolOtto Rectangular Cushion 2
Invernizzi, Ottorino; Unpublished;
  • Refraction ≈ 1.54
  • Indices =
  • Facets = 89 + 16
  • L/W = 100.%
  • H/W = 69.9%
  • V/W³ = 25.4%
Diamond
Emerald
08.155 TormOtto
Invernizzi, Ottorino; Unpublished;
  • Refraction ≈ 1.54
  • Indices =
  • Facets = 89 + 16
  • L/W = 100.%
  • H/W = 69.9%
  • V/W³ = 25.4%
Diamond
Emerald
08.156 Crisscut (TM)
Slowinski, Christopher; US Design Patent D698,278 S;
  • Refraction ≈ 1.54
  • Indices =
  • Facets = 89 + 16
  • L/W = 100.%
  • H/W = 69.9%
  • V/W³ = 25.4%
Diamond
Emerald
08.157 EASY SMALL CUSHION RECTANGLE
Long, Robert H.; Unpublished;
  • Refraction ≈ 1.54
  • Indices =
  • Facets = 89 + 16
  • L/W = 100.%
  • H/W = 69.9%
  • V/W³ = 25.4%
Diamond
Emerald
08.158 EASY SMALL RECTANGLE 1.20
Long, Robert H.; Unpublished;
  • Refraction ≈ 1.54
  • Indices =
  • Facets = 89 + 16
  • L/W = 100.%
  • H/W = 69.9%
  • V/W³ = 25.4%
Diamond
Emerald
08.159 EASY SMALL RECTANGLE 1.25
Long, Robert H.; Unpublished;
  • Refraction ≈ 1.54
  • Indices =
  • Facets = 89 + 16
  • L/W = 100.%
  • H/W = 69.9%
  • V/W³ = 25.4%
Diamond
Emerald
08.160 EASY SMALL RECTANGLE 1.33
Long, Robert H.; Unpublished;
  • Refraction ≈ 1.54
  • Indices =
  • Facets = 89 + 16
  • L/W = 100.%
  • H/W = 69.9%
  • V/W³ = 25.4%
Diamond
Emerald
08.161 EASY SMALL RECTANGLE 1.4
Long, Robert H.; Unpublished;
  • Refraction ≈ 1.54
  • Indices =
  • Facets = 89 + 16
  • L/W = 100.%
  • H/W = 69.9%
  • V/W³ = 25.4%
Diamond
Emerald
08.162 EASY SMALL RECTANGLE 2.0
Long, Robert H.; Unpublished;
  • Refraction ≈ 1.54
  • Indices =
  • Facets = 89 + 16
  • L/W = 100.%
  • H/W = 69.9%
  • V/W³ = 25.4%
Diamond
Emerald
08.163 CLEVER CAM OVAL 150
Long, Robert H.; Unpublished;
  • Refraction ≈ 1.54
  • Indices =
  • Facets = 89 + 16
  • L/W = 100.%
  • H/W = 69.9%
  • V/W³ = 25.4%
Diamond
Emerald
08.164 Custom Princess Cushion
Edwards, Dion; Personal communication 2018;
  • Refraction ≈ 1.54
  • Indices =
  • Facets = 89 + 16
  • L/W = 100.%
  • H/W = 69.9%
  • V/W³ = 25.4%
Diamond
Emerald
08.165 FVS-240
Van Sant, Fred W; star cuts IV (1992);
  • Refraction ≈ 1.54
  • Indices =
  • Facets = 89 + 16
  • L/W = 100.%
  • H/W = 69.9%
  • V/W³ = 25.4%
Diamond
Emerald
08.166 Chevron Cushion AC 1.05
Wolkonsky, Alexandre and van Zanten, Piet; Personal Communication to RWS from AW 2016;
  • Refraction ≈ 1.54
  • Indices =
  • Facets = 89 + 16
  • L/W = 100.%
  • H/W = 69.9%
  • V/W³ = 25.4%
Diamond
Emerald
08.166A Chevron Cushion AC 1.10
Wolkonsky, Alexandre and van Zanten, Piet; Personal Communication to RWS from AW 2016;
  • Refraction ≈ 1.54
  • Indices =
  • Facets = 89 + 16
  • L/W = 100.%
  • H/W = 69.9%
  • V/W³ = 25.4%
Diamond
Emerald
08.166B Chevron Cushion AC 1.15
Wolkonsky, Alexandre and van Zanten, Piet; Personal Communication to RWS from AW 2016;
  • Refraction ≈ 1.54
  • Indices =
  • Facets = 89 + 16
  • L/W = 100.%
  • H/W = 69.9%
  • V/W³ = 25.4%
Diamond
Emerald
08.166C Chevron Cushion AC 1.20
Wolkonsky, Alexandre and van Zanten, Piet; Personal Communication to RWS from AW 2016;
  • Refraction ≈ 1.54
  • Indices =
  • Facets = 89 + 16
  • L/W = 100.%
  • H/W = 69.9%
  • V/W³ = 25.4%
Diamond
Emerald
08.166D Chevron Cushion AC 1.20
Wolkonsky, Alexandre and van Zanten, Piet; Personal Communication to RWS from AW 2016;
  • Refraction ≈ 1.54
  • Indices =
  • Facets = 89 + 16
  • L/W = 100.%
  • H/W = 69.9%
  • V/W³ = 25.4%
Diamond
Emerald
08.167 Checkerboard AC 1.05
Wolkonsky, A, Finlayson, J and Long, R H; Personal Communication to RWS from AW 2016;
  • Refraction ≈ 1.54
  • Indices =
  • Facets = 89 + 16
  • L/W = 100.%
  • H/W = 69.9%
  • V/W³ = 25.4%
Diamond
Emerald
08.167A Checkerboard AC 1.10
Wolkonsky, A, Finlayson, J and Long, R H; Personal Communication to RWS from AW 2016;
  • Refraction ≈ 1.54
  • Indices =
  • Facets = 89 + 16
  • L/W = 100.%
  • H/W = 69.9%
  • V/W³ = 25.4%
Diamond
Emerald
125507589909192939495969798100200231