Helium Rough
The maximum sizes of stones scanned by the Helium Rough

Rough orientation HR 8.5 Digital HR 13 Pro Digital HR 17 Digital HR 23 Pro Digital HR 34 Digital HR 47 Pro Digital
1:1 lens 1:2 lens 1:4 lens
2.90ct 7.8ct 23ct 62ct 184ct 500ct
1.60ct 4.30ct 13ct 35ct 104ct 280ct
0.62ct 1.70ct 5ct 13.5ct 40ct 108ct