Gem Tester Gemstone Tester for All Stones 22×11×8 Rhg181 1.30-1.81 Professional Gemstone Ldentification Gem Refractometer

Specification: Condition: 100% Brand New Item Type: Refractometer Material: ABS Refractive Index Range: 1.30-1.81 RI Color: As Pictures Shown Size

Diamond Tester, Diamond Detector, Diamond Tester Pen, Diamond Tester Professional, gem Tester, Diamond Tester Pen High Accuracy Professional Jeweler(Black Diamond Testers) : Patio, Lawn & Garden

Diamond & Gem Testers – SEP Tools

Diamond & Gem Testers – SEP Tools

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Uv Light Lamp Lw 365nm Sw 257.3nm Laboratory Level Precise Gemological Instrument Desktop Jewelry Appraisal Tester Dark Field - Jewelry Tools & Equipments - AliExpress

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Uv Light Lamp Lw 365nm Sw 257.3nm Laboratory Level Precise Gemological Instrument Desktop Jewelry Appraisal Tester Dark Field - Jewelry Tools & Equipments - AliExpress

Gem Portable Refractometer, RHG181 1.30-1.81 Presidium Gemstone ldentification Tester for Jewelry, Gold ＆ Silver and Diamond, Lab Refractometers: : Industrial & Scientific

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Gem Gemological Gemelogy Refractometer with Built-in LED Light + RI Oil + 1.30-1.81 RI Range + 0.01 nD Scale Division: : Industrial & Scientific