Gemlogis VISTA

Gemlogis VISTA

The Gemlogis VISTA is a portable diamond verification instrument for loose and mounted diamonds, designed to separate natural diamonds from synthetic diamonds. The VISTA is manually operated and gives an automatic test result.

The performance metrics shown below are based on testing done in 2019 using the ASSURE 1.0 test standard and sample sets. The VISTA has not been tested under ASSURE 2.0.

Stone Testing Capability

Weight: 0.02 ct-12 ct
Size: 1.5 mm-15.3 mm
Colour: D-J
Shape: All
Diamond Simulants: No
Mounted Stones: Yes (closed and open back mountings, not yet ASSURE Tested)

Instrument Performance

The below results demonstrate the performance of the Gemlogis VISTA with the ASSURE 1.0 Core Sample:

Diamond False Positive Rate (optimal rate 0%): 0%
Diamond Referral Rate (optimal rate 0%): 7.5%
Diamond Accuracy Rate (optimal rate 100%): 92.5%
Speed (stones tested per hour): 212

The ASSURE 1.0 Core Sample consists of 1,000 loose diamonds, 200 loose synthetic diamonds and 200 loose diamond simulants. The stones are 0.02ct to 0.20ct in D-J colour.

Instrument Capabilities

Automated Feed: No
Automated Results: Yes
Automated Dispense: No
Detect or Refer (Synthetic Diamonds): Refer
Detect or Refer (Diamond Simulants): N/A
Multiple Stones at Once: No
Training Required: No

The VISTA automatically makes a measurement and displays one of the following results:

  1. Natural Diamond
  2. Type II Diamond

Instrument Specifications

Size: 4.1 cm (W) x 9.8 cm (D) x 11 cm (H)
Weight: 0.3 kg
Price: 599 USD (August 2019)

Contact information
+1 800 833 1090

ASSURE Tested September 2019
ASSURE ID: 94513