07.148 French Square; Perkins, Jim; Personal communication, Copyright Oct 20, 2002; L/W=1.000; H/W=0.709; Vol/W³=0.298; 96 index; 53+8 facets;
07.149 Emerald Square Princess; Perkins, Jim; Personal communication, Copyright Aug 29,2004; L/W=1.000; H/W=0.634; Vol/W³=0.269; 72 index; 53+8 facets;
07.150 Radiant Emerald Square; Perkins, Jim; Personal communication, Copyright June 5, 2002; L/W=1.000; H/W=0.720; Vol/W³=0.306; 96 index; 69+8 facets; Average face up brilliance ISO= 85.2% COS= 73.4. Recently some have been requesting this type of design. I modified an existing design for the USFG sponsored Internet list but, that only left me wanting to take time to do an original. Here it is for topaz.
07.151 Flat or Concave Square Emerald; Perkins, Jim; Personal communication, Copyright June 2009; L/W=1.000; H/W=0.580; Vol/W³=0.257; 96 index; 45+8 facets;
07.152 Gazebo Square Emerald; Perkins, Jim; Personal communication, Copyright Feb 2010; L/W=1.000; H/W=0.642; Vol/W³=0.272; 96 index; 53+8 facets;
07.153 YABC, Yet Another Barion Checkerboard; Olson, Terry and Word, Sid; Facets, Dec 2013 p.12; L/W=1.000; H/W=0.687; Vol/W³=0.292; 96 index; 60+8 facets; Adapted from 07.109 and 07.018 by T Olson
07.158 Winter's Delight; Ruminson, Glenn, Groncki, David; Facets, June 2014 p9; L/W=1.000; H/W=0.727; Vol/W³=0.312; 96 index; 65+12 facets; Pavilion from DJG Ultra Cushion by David Groncki, Rock & Gem Dec 2013 p58
07.159 RBC-281; Conley, Richard B; Facets, May 2014 p11; L/W=1.000; H/W=0.721; Vol/W³=0.308; 96 index; 45+8 facets; Works with 32,64,96 index