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Valkynos Professional Diamond Tester Pen with 365nm UV Light & Thermal Sensor – Fast 0.5s Detection, Portable Gem Checker for Novice & Experts – Battery Included
✅ In stock
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Grade
Analysis Confidence
35%
🏷️ Price includes Coupon savings
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
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Price verified Sep 29, 2026 3:42 AM · Prices & availability subject to change
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📝 Product Overview
🏪 Sold by
Valkynos Industries
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓After-Sales Service: 30-day unconditional return or exchange. For any issues or battery replacement (same type available in the U.S.), please contact us
✓【Fast & Accurate Diamond Verification】The high-accuracy diamond tester pen has advanced thermal conductivity; this tester accurately distinguishes real diamonds from common fakes like crystal or cubic zirconia. Ideal for home use, collectors, or resellers
✓【Built-in UV Light for Fluorescence Detection】Diamond tester professional features a built-in UV light to reveal diamond fluorescence—an important clue in verifying authenticity. Different materials show different reactions under UV, making this feature useful for deeper assessment
✓【Real-Time Feedback with LED Lights & Sounds】After a 25-second warm-up, hold the conductive panel on the top with your finger, tip the vertical diamond 90 degrees: a red LED flashes and a buzzer sounds when a real diamond is detected
✓【Testing Tips for Best Accuracy】✦ Use with bare hands (avoid gloves)✦ Best results at room temperature (10–35°C)✦ Accurate for diamonds 0.02 carats and larger
✓【Compact & Ready for Travel】Diamond tester pen compact size with protective case makes it easy to keep in your bag or drawer, leather pouch keeps your tester safe— perfect for on-the-spot diamond checks at home, in stores, or while traveling.
⚙️ Specifications
7.2 x 1.8 x 0.8 inches
1 9V batteries required. (included)
Mercury-Free Zinc-Carbon Battery 6F22 9V
B0F9PM2YGV
4 ounces
SHENZHEN PKCELL BATTERY CO.,LTD
Product Dimensions
7.2 x 1.8 x 0.8 inches
Batteries
1 9V batteries required. (included)
Item model number
Mercury-Free Zinc-Carbon Battery 6F22 9V
ASIN
B0F9PM2YGV
Customer Reviews
4.2
Best Sellers Rank
See Top 100 in Arts, Crafts & Sewing
Item Weight
4 ounces
Manufacturer
SHENZHEN PKCELL BATTERY CO.,LTD
