Gemlogis

Gemlogis Astro Gem Tester

Gemlogis

Gemlogis Belize Portable Combination Diamond Moissanite and Simulant Verifier Tester

Presidium

Presidium Instruments Gem Tester II (PGT II) with Assisted Thermal Calibration (ATC) for Identifying Diamonds/Moissanites and Common Colored Gemstones

Colidcolor

Colidcolor Mohs Hardness Test Kit, 1-10 Scratch Tester for Industrial & Gemstone Use - Mineral Identification Tool for Jewelry, Rocks (Portable Hardness Pen)

LOK LOKDS

Gemstone Refractometer, Gem Tester for All Stones, Diamond Gemstone Tester Lab Refractometers for Gold & Silver Jewelry, Measures Refractive Index 1.30-1.81

Burnur

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

JJENXYYDS

JJENXYYDS Digital Gemstone Refractometer,Professional Jewelry Tester Identification Tool,Measurement Error: ±0.005/accuracy: 0.001/refractive Index 1.300-3.000,for Jewelry, Jade, Crystal

TEKCOPLUS

Heavy Duty Calcite Dichroscope Gemstone Tester Trichoic Pleochroic Colors Gemstone Identification Gemstones Gemological Testing Diamond Jeweler Tool Metal Body Gemology

Gemologist Fan Gauge Diamond Gemstone Measuring Tool MM

TEKCOPLUS

Diamond Tester Jewelry Gem Stone Tester Moissanite Tester Professional 2pt Jewel Stone Combo Tester Kit for Diamond, Moissanite, Metal and Gemstone Selection - High Accuracy Jeweler Test Meter Device

PRESIDIUM

Presidium Instruments Gem Indicator (PGI) Handheld Tester for Identifying Diamonds and Common Colored Gemstones

SmartPro

SmartPro SPGE-I Gem Eye I Gem and Diamond Tester Smart Pro

cultj

Cultj Diamond Combo Tester II - Professional Moissanite & HPHT Type Lab-Grown Diamond Tester

ZZJJYT

Mohs Hardness Test Kit, Mohs Hardness Tester Industrial Mineral Identification Kit with Storage Box, 2-9 Scratch Tester, for Industrial Mineral Identification Kit Gem Jade Jewelry

Taidda

Jewelry Refractometer, Portable Lightweight 1.30-1.81 Professional Gemstone ldentification Gem Refractometer for Measuring The Refractive Index Jewelry Test Tool

XNManaWork

Gemstone Refractometer 1.30-1.81RI Range With 0.01RI Accuracy, Portable Jewelry Gem Tester With Flashlight And Refractive Oil For Gemstone For Identification In Laboratory Or Field Use(B)

SuiToWan

SuiToWan Mohs Hardness Test Kit - Complete Mineral Identification Set 1-10 with Streak Plate | Geology Rock Testing Tool for Professionals, Students & Rockhounds

Gem Indicator (PGI) Gem Tester

Ade Advanced Optics

Ade Advanced Optics GL500 Gemstone Refractometer with LED Light – Professional Digital Gem Tester for Jewelry, Gemstone, Ruby, Jadeite, Sapphire, Diamond, Moissanite, and Lab Use

Presidium

Presidium Instruments Gem Tester II (PGT II) Now with Assisted Thermal Calibration (ATC) for Identifying Diamonds/Moissanites and Common Colored Gemstones

TEKCOPLUS

TEKCOPLUS Gem Refractometer 0.01 nD Scale Division Gem Refractometer with Built-in LED Light Gemstone Tester for Jewelry, Diamond, Moissanite, Minerals, Crystals & Lab Use Includes Polarizing Filter

byepica

byepica Digital Hardness Tester, 0-100 Hd Mohs Scale Kit, Compact for Silicone, Rubber, Plastic with Carrying Case

JYCWTT

Portable Gem Tester, Gemstone Tester with LED Indicator Light & Touch Screen, Accurate Test and Easy to Read, No Calibration Needed and Easy to Carry, Gemstone Tester for All Diamond

GTE

Deluxe Jeweler's Diamond & Gemstone Analyzer Tester for Diamonds Moissanites Stones Lab-Created Simulants with Stone Gauge