High Accuracy Jeweler Diamond Tester

💎 Verify Diamond Authenticity in Seconds with Professional Precision

Worried about buying fake diamonds or gemstones? The Tooltos Diamond Selector II uses advanced thermal conductivity technology to instantly distinguish real diamonds from simulants. Whether you're a professional jeweler, appraiser, or collector, this portable tester delivers lab-quality results in seconds - protecting your investment and reputation.

✨ Why Choose This Diamond Tester?

🎯 Real Applications

• Jewelry Retail: Verify diamond authenticity before purchase or sale
• Appraisal Services: Provide professional gemstone authentication for clients
• Pawn Shops: Quickly assess diamond jewelry value and authenticity
• Estate Sales: Evaluate inherited or vintage diamond jewelry
• Jewelry Repair: Confirm stone authenticity before accepting repair work
• Collector Verification: Authenticate gemstones in personal collections
• Educational Use: Teach students about gemstone identification

⚙️ Technical Specifications

🚀 Quick Start Guide

1. Install Battery: Insert 9V battery (not included) and remove probe cap
2. Power On: Turn on switch - power indicator lights up
3. Warm Up: Wait a few seconds for probe to heat until ready indicator lights
4. For Diamonds: Touch metal panel with right index finger, adjust settings for temperature and diamond weight
5. For Other Gems: Calibrate probe on glass (adjust to light 5), then test gemstone
6. Test: Hold probe at 90° angle to gemstone surface
7. Read Results: Check LED lights and listen for audio alert

📊 Test Result Analysis

💡 Pro Tips

• ✅ Always hold probe at 90° angle to gemstone surface for accurate results
• ✅ Touch metal panel with finger when testing diamonds (not for other gems)
• ✅ Never test metal surfaces - only gemstones
• ✅ Remove gloves before testing for proper conductivity
• ✅ Calibrate on glass before testing non-diamond gemstones
• ✅ Allow probe to warm up fully before first test
• ✅ Store in protective case when not in use

📦 Complete Gemstone Testing Kit

Build a professional gemstone authentication station:

• 🔹 Diamond Magnifier - Examine internal characteristics and inclusions
• 🔹 Gemstone Calipers - Measure precise dimensions for appraisal
• 🔹 Precision Scale - Weigh gemstones accurately
• 🔹 Pick-Up Tools - Handle gemstones safely during testing
• 🔹 LED Magnifier - Enhanced viewing with bright illumination

⭐ What Customers Say

★★★★★ "Essential tool for my jewelry store! Tested over 100 diamonds - results match lab certifications perfectly. The audio alert makes it foolproof. Worth every penny."
- Robert M., Jewelry Store Owner, California

★★★★★ "Saved me from buying a fake diamond ring! Super easy to use - instant results. Now I test everything before purchase. Highly recommend for anyone buying diamonds."
- Lisa K., Jewelry Collector, UK

★★★★★ "Use it daily in my pawn shop. Fast, accurate, portable. The LCD display and sound alert make it easy to show customers the results. Great investment."
- James T., Pawn Shop Manager, Texas

❓ Frequently Asked Questions

Q: How accurate is this diamond tester?
A: Highly accurate using thermal conductivity technology - the same principle used in professional gemological labs. Results match certified lab testing.

Q: Can it test moissanite?
A: Thermal conductivity testers may show moissanite as diamond since they have similar thermal properties. For moissanite detection, use in combination with visual inspection or electrical conductivity testing.

Q: Does it work on mounted diamonds?
A: Yes! Test diamonds while set in rings, pendants, or other jewelry. Just ensure probe touches only the stone, not metal.

Q: What battery does it use?
A: Requires one 9V DC006P battery (standard 9V battery). Battery not included - available at any electronics or hardware store.

Q: Can beginners use this?
A: Absolutely! Simple operation with clear LED and audio indicators. Includes detailed manual with step-by-step instructions.

Q: How long does the battery last?
A: Depends on usage frequency. With moderate use (10-20 tests per day), battery typically lasts 2-3 months.

⚠️ Important Testing Notes

• ❗ Hold probe at 90° angle to gemstone surface
• ❗ Touch metal panel when testing diamonds only
• ❗ Do NOT test metal surfaces
• ❗ Remove gloves before testing
• ❗ Calibrate on glass before testing non-diamond gems
• ❗ Allow warm-up time before first test

🎁 What's Included

• ✅ 1 x Diamond Selector II Tester
• ✅ 1 x Protective Carrying Case
• ✅ 1 x Detailed User Manual
• ⚠️ Note: 9V battery NOT included (purchase separately)

Operation Methods：

Step 1：Put the 9V battery in. (not included). Take off the probe cap.

Step 2： Turn on the switch, the power indicator is on.Wait few seconds for the probe to heat up until another indicator is lighting up.

Step 3： If you test diamond, you then need to turn on the number of lights corresponding to the indoor temperature and diamond weight.

Step 4： If you test other gems, you'd better calibrate the probe before testing, Method: by placing the probe vertically on a piece of glass, then adjusting the light to 5, and then placing the probe on the gemstone to test.
Test Result Analysis:
If lights >= 9 and have sounds, it is true diamond.
If lights < 9 and no sounds, it is not diamond.
If lights is 7 or 8, it is true crystal.
If lights is 6 or 7, it is true jade.
If lights is 4 or 5, it is glass.
Don't test metal，Don't wear gloves.

🛡️ Tooltos Quality Guarantee

✅ Professional-Grade Accuracy - Thermal conductivity technology trusted by jewelers worldwide
✅ Portable & Convenient - Lightweight pen design with protective case
✅ Multi-Gemstone Testing - Diamonds, sapphires, rubies, crystals, jade, agate
✅ Fast Shipping - Ships within 1-2 business days
✅ Expert Support - Technical assistance from gemstone testing specialists