Helium Speed

HS 6.3

HS 8.6

0.04ct to 1.20ct

0.10ct to 2.5ct

(up to 6.3mm)

(up to 8.4mm)

HR 1:1 D

HR 1:2 A

0.04ct to 8ct

0.90ct to 18.0ct

Helium Rough

(up to 11.8mm)

(up to 16.8mm)

HR 1:2 D

0.30ct to 60ct

(up to 23.6mm)