The Presidium Diamond-Mate-A boasts a resilient thermoelectric probe, allowing for precise examination of gemstones as small as 0.02ct. Its thin probe design enables accurate testing without damaging the stone.

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The Presidium Diamond-Mate-A boasts a resilient thermoelectric probe, allowing for precise examination of gemstones as small as 0.02ct. Its thin probe design enables accurate testing without damaging the stone.