Presidium PGT II Gemstone Tester for Diamonds, Moissanite and Coloured Gemstones Tubing Versatile Use: Suitable for necklaces

Versatile Use: Suitable for necklaces

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Presidium PGT II Gemstone Tester for Diamonds, Moissanite and Coloured Gemstones Tubing Versatile Use: Suitable for necklacesProduct 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.