









💎 Spot the real sparkle before anyone else does!
The GAIN EXPRESS Jeweler Diamond Tester is a professional-grade, portable tool designed for retail jewelers and pawn brokers. It uses advanced technology including ultraviolet light and multi-level calibration to accurately identify authentic diamonds as small as 2 points, distinguishing them from simulants and metals. Featuring audible and visual alerts, a compact design, and flexible power options, it delivers reliable, fast results to ensure confidence in every gem verification.






| ASIN | B00MNEB0U0 |
| ASIN | B00MNEB0U0 |
| Batteries Included? | No |
| Batteries Required? | No |
| Customer Reviews | 3.8 3.8 out of 5 stars (144) |
| Customer reviews | 3.8 3.8 out of 5 stars (144) |
| Date First Available | 1 January 2024 |
| Date First Available | 1 January 2024 |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Item Weight | 150 g |
| Item model number | JEM-II |
| Item model number | JEM-II |
| Manufacturer | GAIN EXPRESS |
| Manufacturer | GAIN EXPRESS |
| Material | Metal |
| Part number | JEM-II |
| Power source type | Battery Powered |
| Product Dimensions | 17.78 x 7.62 x 5.08 cm; 149.69 g |
| Product Dimensions | 17.78 x 7.62 x 5.08 cm; 149.69 g |
| Style | Compact |
A**O
Can’t tell diamond from moissanite.
This tester can’t tell the difference between diamonds and moissanite.
Trustpilot
5 days ago
3 weeks ago