This rejection grade stone had a 1.55ct D SI2 and 1.14ct D VS1 planned using Sergey / OctoNus's inventors new Helium Rough scanner that automatically finds inclusions and accounts for their visual grade using the DiamCalc ray tracing software to see if there are going to be face up reflections.  Cool?
The result was worth more than 3x that of a 3.5ct I3-  
