TrueAssay
Electronic Diamond Tester – Thermal Conductivity Diamond Verifier
Electronic Diamond Tester – Thermal Conductivity Diamond Verifier
Couldn't load pickup availability
Quickly Verify Real Diamonds in Seconds
Stop guessing. This electronic diamond tester gives you fast, reliable results so you can confidently distinguish real diamonds from simulants.
Pairs perfectly with our Gold & Silver Testing Kits
WHY IT WORKS
Using advanced thermal conductivity technology, this tester accurately identifies real diamonds — the most thermally conductive material — helping you avoid costly mistakes.
KEY BENEFITS
• Instantly test diamonds with high accuracy
• Distinguish real diamonds from simulants
• Easy-to-use for beginners and professionals
• Compact, portable design
• Trusted by jewelers, resellers, and buyers
WHAT’S INCLUDED
• Electronic Diamond Tester
• 9V Battery (included)
HOW TO USE
Simply power on the device and place the probe tip on the stone. The tester will quickly indicate whether the stone is a real diamond.
PRODUCT DETAILS
• Measures thermal conductivity
• Dimensions: 6.5" x 1.6" x 0.85"
• Power: 9V Battery (included)
Ships within 24 hours from the USA
Simple to use — no experience needed
Share
Trusted by Industry Professionals
-
Lab-Tested Quality
Each batch is formulated to professional-grade testing standards used by jewelers and refiners.
-
Fast U.S. Shipping
Orders ship same-day from Atlanta, GA. Most U.S. customers receive in 2 to 5 business days.
-
Helpful Customer Support
Questions about testing technique or kits? Reach our team for guidance before and after your purchase.
Frequently Asked Questions
How do I use the testing solution?
Rub the metal on a testing stone, apply a drop of acid to the streak, then compare the color reaction to the standard chart for that karat.
How fast does my order ship?
Orders placed before 2 PM EST ship the same business day from Atlanta, GA. Most U.S. orders arrive in 2 to 5 business days.
Are these solutions safe to handle?
Our acid solutions are professional-grade and should be handled with gloves and eye protection in a well-ventilated area. SDS sheets are available on request.
What's your return policy?
Unopened items can be returned within 30 days of delivery. Opened acid bottles cannot be returned for safety and shipping reasons.