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Presidium Gem Tester II Testeur pour différencier les diamants et les pierres de couleur • Simplement toucher les pierres, serties ou non avec la…
Discover the Presidium Gem Indicator Handheld Digital Tester for 31 Gemstone Types
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testing if a “gemstone” is REAL (presidium gem tester 2) review
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Presidium Duo Tester II (PDT II) is the only comprehensive tool on the market that combines two proven testing methods for gemstones. PDT II
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