Presidium Gem Tester II

The most trusted and sought after colored gemstone tester just got better.

Identifies diamonds, moissanites and most colored gemstones.

Simple and easy to use.  Compact, sturdy and portable.

Consistent and reliable results every time.

Tests both polished and unpolished gemstones.

Tests gemstones as small as 0.02 CT.

No waiting time between tests.

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