Presidium Gem Tester II PGT II Thermal Gemstone Tester

Rated 4.00 out of 5 based on 1 customer rating
(1 customer review)

We recommend the Presidium PGT II for experienced hobbyists learning to compare gemstone thermal responses. Its value is in narrowing possibilities as part of a broader identification process.

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SKU: AMZ-B000TD3G8Q Category:

Why Gold Kings recommends it

Gold Kings likes this bench-style instrument for someone who wants to study gem identification systematically. The analog group indications encourage you to compare a reading with other observations rather than relying only on appearance. It belongs on the shortlist when you understand the limits of thermal screening and intend to use complementary methods.

Features and specifications

  • Thermal-conductivity gemstone screening.
  • Analog indication across gemstone groups.
  • Built-in calibration support.

Gold Kings buying advice

Follow the calibration and testing instructions carefully. Several materials can share similar responses. The PGT II does not distinguish diamond from moissanite or establish natural versus laboratory-grown origin. When an identification affects a valuable purchase or sale, have a qualified gemologist resolve the remaining uncertainty.

Related Gold Guide: natural and laboratory-grown diamond resale differences.

Brand

Presidium

Model

PGT II

Testing method

Thermal conductivity

ASIN

B000TD3G8Q

1 review for Presidium Gem Tester II PGT II Thermal Gemstone Tester

  1. Rated 4 out of 5

    Korey –

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