Professional Gemstone Refractometer – 1.30-1.81 RI Jewelry Emerald Zircon Tester with LED Light & 0.11 fl oz Oil
Inspire Select
1K+ Sold
Identify gemstone optical properties with greater confidence while keeping valuable stones intact during testing. Designed for fast, nondestructive measurement, this professional testing instrument helps determine refractive index and other important optical characteristics of compatible gemstones. A high-refractive-index lead glass prism supports precise gemstone testing, while the integrated LED illumination makes readings easier to observe. With a 1.30–1.81 measuring range and ±0.002 accuracy, this jewelry testing tool delivers dependable results for routine gem examination.
Key Features
• Measures refractive index from 1.30–1.81 for accurate identification of compatible gemstones.
• Provides ±0.002 accuracy to support precise and dependable gemstone examination.
• High-refractive-index lead glass test prism enables quick, nondestructive measurements.
• LED illumination improves reading visibility for convenient professional or hobby use.
Why Choose Our Professional Gemstone Refractometer?
Unlike basic visual identification methods, this refractometer provides measurable refractive index data without damaging compatible gemstones. Its precise test prism, ±0.002 accuracy, LED illumination, and included refractive oil provide a convenient setup for detailed gemstone examination. It combines portability and precision for jewelers, collectors, and gem enthusiasts.
Perfect For
Ideal for jewelers, gemologists, gemstone collectors, jewelry makers, appraisal professionals, students, and hobbyists who need to examine emeralds, zircons, and other compatible gemstones. It is useful for jewelry workshops, gem identification, educational settings, collecting, and routine optical testing.
Product Specifications
• Measuring Range: 1.30–1.81 RI
• Accuracy: ±0.002
• Refractive Oil Capacity: 0.11 fl oz
• Refractive Oil Index: 1.78
• Power Supply: AA Battery
• Test Prism Material: High-Refractive-Index Lead Glass
• Light Source: LED
• Measurement Limitation: Diamond RI is 2.417 and cannot be measured within this instrument's range
Achieve more precise gemstone examinations with the Professional Gemstone Refractometer. Add this convenient testing instrument to your jewelry toolkit for quick, nondestructive refractive index measurements whenever compatible gemstones need closer evaluation.
