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Presidium Duo Tester PDT Diamond Gemstone Tester | $389.00 | B000TD30NM | ||
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Presidium Gem Tester II (PGT II) | $229.00 | B000TD3G8Q | ||
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Presidium Multi Tester III (PMuT III) All-In-One Instrument for Testing Diamonds, Moissanites and Diamond Simulants | ★★★☆ | 120 | $209.00 | B004QYR8U6 |
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Presidium Electronic Refractive Index Meter II | $279.00 | B0083BXNYS |