SmartPro Gem‑Eye I – Thermal Conductivity Gem Tester (Diamond & Simulants)
Precision testing meets intuitive design in the SmartPro Gem‑Eye I, a gemological instrument tailored for jewelers, gem dealers, and professionals. It instantly identifies natural diamonds and over a dozen other common gemstones, distinguishing them from simulants with thermal conductivity technology.
🔍 Key Features:
Thermal Conductivity Detection: Dual thermoelectric sensors deliver instant readings based on heat transfer rates, separating diamonds from simulants.
Ultra‑thin Probe Tip: 0.48 mm diameter, enabling precise testing of stones as small as 0.01 ct (≈1 mm).
Retractable Probe with Metal‑Contact Alert: Ensures consistent contact via LED and buzzer alerts.
Color Stone Estimator Display: Distinguishes diamonds and various colored gemstones like sapphire, emerald, jadeite, ruby, topaz, spinel, and glass.
Auto-Calibration & No Warm-Up: Automatically calibrates before each test—no delay between readings.
Large Analog Panel & LED Indicators: Intuitive, fast visual feedback via display and lights.
Bluetooth-Ready: Compatible with SmartPro mobile app for data logging and stone tracking.
⚙️ Specs & Inclusions
| Parameter | Details |
|---|---|
| Weight | ~270 g (body) / 295 g including accessories |
| Dimensions | 130 × 100 × 97 mm |
| Power Source | 3 × AAA batteries or AC adapter |
| Probe Cable Length | ~85 cm |
| Auto Power-Off | ~2 minutes idle (sleep mode) |
| Operating Temp Range | 18–27 °C standard; storage 10–50 °C |
🎯 Ideal Applications
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Jewelers & Gem Dealers — Quickly verify diamond authenticity and identify colored stones when paired with thermal standards.
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Quality Control in Jewelry Manufacturing — Portable lab-grade performance for production lines or in-store verification.
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Educational Gem Labs — Easy-to-use visual feedback and rapid operation for student workflows.
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Mobile Field Use — Lightweight, battery or AC-powered, with Bluetooth connectivity for on-the-go inspecting.
✅ Why Choose Gem‑Eye I?
The Gem-Eye I combines proven thermal conductivity tech with smart usability:
- Fast one-touch testing—no need to wait between checks.
- Industry’s smallest probe tip ensures testing on tiny stones.
- Bluetooth-readiness and mobile app support make tracking and record-keeping seamless.
- Built-in stone estimator broadens its utility to various finished gemstones.





















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