Professional Diamond Tester for Jewelry, Refractometer for Gemstones, Lab Refractometers Refractive Index 1.300-3.000, Gem Tester with LCD Screens, Jewelry Tester Identification Tools

★★★★★ 4.5 124 reviews

US$104.42
Price when purchased online
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US$104.42
Price when purchased online
Free shipping Free 30-day returns

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Product details

Management number 220430394 Release Date 2026/05/03 List Price US$104.42 Model Number 220430394
Category
  • 1. Wide Compatibility for Various Gemstones: The jewelry tester suitable for both uniaxial and biaxial crystals. Quickly and accurately identify single and double gemstones, including diamond, colored gems, and synthetic stones. is a must-have for gemologists and serious collectors alike.
  • 2. Construction Materials: The gemstone refractometer is expertly designed with hard aluminum alloy, ensuring a durable and scratch-proof platform. Enhanced with ABS engineering plastic controls and triple-layer insulation, this refractometer for gemstones guarantees robust structural integrity and protection against electrical hazards.
  • 3. Clear Visual Reading: Featuring a large LCD screen with backlight illumination, the multi tester iii offers high sensitivity for excellent readability even in low-light conditions. Powered by a rechargeable 700mAh lithium battery, it supports up to 10,000 measurements per charge, making it an essential tool for gem enthusiasts.
  • 4. Test Method: This gem tester for all stones and metal requires no oil for operation. Simply bring the measuring surfaces of the sample close to the platform to conduct tests. This intuitive method allows you to determine whether the gem is a uniaxial or biaxial crystal with ease.
  • 5. Total Internal Reflection Technology: Utilizing fundamental optical principles, the jewelry tester gold and silver and diamond tester provides precise refractive index values, Each reading delivers reliable data on gem characteristics, ensuring accurate assessments every time.

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4.5 out of 5
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124 ratings | 51 reviews
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