| Product Dimensions | 7.2 x 1.8 x 0.8 inches |
|---|---|
| Batteries | 1 9V batteries required. (included) |
| Item model number | Diamond selector l |
- 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.
Product description
Steps to use the diamond test pen
1. Remove the pen cap
2. Press the power switch and slide it to the "diamond" position. The red light POWER will light up and the tester will start preheating
3. Preheat for 25 seconds, the green light READY will light up, the tester is ready and you can start testing
4. The conductive metal plate on the side must be touched during the test
5. Keep the test pen vertical to the diamond
6.
Real diamonds will light up a red LED and make a clear sound
Fake diamonds will light up a green or yellow LED and will not make a clear sound
7. Slide the switch on the tester to the "ultraviolet" position . Real diamonds usually have blue fluorescence
8. Note: The probe can only touch the diamond gemstone, not metal or skin, to avoid false results
Shipping
We offer FREE shipping on all orders!
We ship within Three business days of payment, usually sooner.
We use a selection of shipping services such as UPS, FedEx, USPS etc.
We only ship to the lower 48 states, no APO/FPO addresses or PO Boxes allowed.
Local pickups and combined shipping options are not provided at this time.
Return
You can return a product for up to 30 days from the date you purchased it.
Any product you return must be in the same condition you received it and in the original packaging. Please keep the receipt.
Payment
We accept payment by any of the following methods:
PayPal
Please pay as soon as possible after winning an auction, as that will allow us to post your item to you sooner!
Feedback
Customer satisfaction is very important to us.
If you have any problem with your order, please contact us and we will do our best to make you satisfied.
Contact Us
If you have any queries, please contact us via ebay. We usually respond within 24 hours on weekdays.
Please visit our eBay store to check out other items for sale!
Thank you for shopping at our store.
Disclaimer
We are working with different suppliers in USA to deliver the item to your doorstep. If you have any issues regarding the item, Feel free to ask.