Helium Speed
0.04ct to 1.20ct
0.10ct to 2.5ct
(up to 6.3mm)
(up to 8.6mm)
Helium Rough
HR 1:1 D
HR 1:2 A
0.04ct to 8ct
0.90ct to 18ct
(up to 11.8mm)
(up to 16.8mm)
HR 1:2 D
0.30cts to 60cts
(up to 23.6mm)
HR 1:4 A
HR 1:4 D
5ct to 140ct
5ct to 450ct
(up to 33.6mm)
(up to 47mm)
M-BOX
M-Box 9.5
M-Box 16A
0.10 cts to 1000cts
stone type