This diamond selector doesn't react on stones like fake crystals, or simulants such as cubic zirconium, when the probe touches the surface. It is the easiest answer for the vast majority of retail jewelers, pawn brokers, and chain stores when faced with the decision of which diamond selector to buy. Why? Because it works reliably and shares the most advanced diamond selector technology on the market.

Features:

Equipped with ultraviolet light to test the fluorescent reaction of stones
Flexible calibration with multi Level Volume to match different sizes of stones
An option to use or connect with an A/C adaptor (not included) for long time indoor use
Most compact design and low battery consumption
Emit audible sounds to give a warning buzzer if the probe touches a metal surface
The audible and visual indicators of genuine diamond
With a single press of a button, it can accurately and precisely:
- Distinguishes authentic diamond from all models of diamond simulants and metals
- Distinguish stones as small as 2pt
Supplied with a vinyl pouch, a testing platform for loose stones, and a comprehensive instruction manual
Brand new and unused

Specifications:

Probe Warm-up Time: about 25sec
Working Time: about 5 hours for continuous use
Suggested Working Temperature: 18°C to 30°C
Working Voltage: 1 x 9V, 6F22 battery (included the set) or AC adaptor 110V-240V, DC 9V (not included the set)
Size: 168 x 31 x 21mm
Net weight: 55g

Set includes:

1 x Diamond Tester
1 x Vinyl Leather Pouch Case
1 x Heavy-duty Testing Platform
English Instruction Manual

Manufacturer	GAIN EXPRESS
Part number	JEM-II
Item Weight	150 g
Product Dimensions	17.78 x 7.62 x 5.08 cm; 149.69 g
Item model number	JEM-II
Style	Compact
Material	Metal
Power source type	Battery Powered
Item Package Quantity	1
Batteries Included?	No
Batteries Required?	No

GAIN EXPRESS Jeweler High Accuracy Diamond Tester with Ultraviolet UV Light, Professional Portable Gemstone Jewelry Gems Tool

Description

Specifications

Common Questions