Presidium PGT II Gemstone Tester for Diamonds, Moissanite and Coloured Gemstones Tubing Step up your metalworking or

Step up your metalworking or jewelry making game with this essential Melting Dish (Crucible) & Handle Set

precise flame

Featuring a powerful magnetic closure

01g resolution for accurate measurements

Presidium PGT II Gemstone Tester for Diamonds, Moissanite and Coloured Gemstones Tubing Step up your metalworking orProduct Description Compact, sturdy, and portable, this gemstone tester provides a fast way to identify diamonds or moissanite and to separate up to 15 common coloured gemstones by thermal conductivity. The clear analog dial is easy to read, and a retractable probe maintains consistent contact pressure on the stone for reliable results. With a 0. 6mm probe tip, it can test stones as small as 0. 02ct. Coated gemstones can generally be tested as well.