







💎 Don’t just guess—know your gems with precision and style!
The Mollo DT-1 Diamond Tester Pen is a professional-grade thermal conductivity meter designed for both novices and experts. It accurately identifies real diamonds and multiple other precious stones like sapphire, ruby, and jadeite using a combination of LCD, LED, and audible alerts. Featuring a dual-mode switch for different stone sizes, it comes complete with an eco-friendly 9V battery, leather pouch, and a 2-year warranty, making it a portable, reliable tool for gemstone authentication.
| Brand | Mollo |
| Model Number | DT-1 |
| Color | Diamond Tester |
| Product Dimensions | 15 x 4 x 3 cm; 154 g |
| Material | Metal |
| Item Weight | 154 g |
W**N
It does work.
I tested it against everything that I knew wasn't real to everything that I knew was real and even the questionable items. It was accurate every time. Just need to know the proper settings for every each item.
V**A
Item check if it's real or not
Shorter does the job that it's meant to it's OK
V**.
Well he was cheap
Loved the product, found out my husband was a cheapo. SMH
K**A
i have been waiting for a replacement or refund since 12/10/22
i never received one that worked or was undamaged. still waiting for item or refund sine 12/10/22
Trustpilot
1 month ago
1 day ago