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Assure Directory

J.Mini by DRC Techno

Instrument Description

J.Mini is a portable diamond verification instrument for loose and mounted stones. J.Mini is designed to separate synthetic diamonds from diamonds. J.Mini is manually operated and gives a semi-automatic test interpretation. J.Mini is suitable for an environment where you need to test both mounted and loose diamonds e.g. dealers, diamond and jewellery manufacturers, retailers, buyers and gemmological laboratories. ASSURE ID: 43985

Instrument Specs

Size: 16.5 cm (W) x 25 cm (D) x 15.5 cm (H)

Weight: 6 kg

Price: 6,499 USD (August 2019)

View Instrument Details

What Stones Can Be Tested?

Weight of stones: 0.003 ct +

Size of stones: 0.7 mm +

Colour of stones: D-K

Shape of stones: All

Diamond simulants: No

Jewellery: Yes (please note this has not yet been tested by the ASSURE Program)

 

Capabilities according to DRC Techno

Instrument Functionality

Automatically feed the stones? No

Automatically interpret the results? Semi-automatic

Automatically dispense the stones? No

Detect or refer synthetic diamonds? Detect

Multiple stones at one time? Yes

Training? Yes

How Does it Operate?

The user manually places the loose or mounted stones inside the test chamber of the instrument. To start the testing, the user closes the test chamber and press the scan button.

 

J.Mini automatically makes a measurement and displays one of the following results:

  1. ‘Diamond’
  2. ‘Synthetic diamond’
  3. ‘Refer’

In case of a query, J.Mini software has a troubleshoot option that connects the user with the DRC Techno Support team to get instant response, support team is available 24/6.

ASSURE Test

J.Mini was tested in accordance with the Diamond Verification Instrument Standard with the test protocol for instruments that separate diamonds from synthetic diamonds (Operation Category 1).

 

The tests took place at the independent laboratory UL in Canton, Massachusetts, United States.

 

J.Mini provides semi-automatic interpretation and the instrument was tested both with a novice and a manufacturer appointed expert. The manufacturer appointed an expert from DRC Techno. The below results are from the expert tests. Both the novice and the expert test results can be found in the summary report issued by UL. J.Mini was tested with the ASSURE Core Sample and ASSURE Smalls Sample.

 

The test report including more detailed test results can be found here.

 


ASSURE Core Sample

The ASSURE Core Sample consists of 1,000 loose diamonds and 200 loose synthetic diamonds. The stones are 0.02 ct to 0.20 ct in D-J colour. The below results are from the test with the ASSURE Core Sample.

 

Diamond False Positive Rate Ratio of synthetic diamonds incorrectly classified as ‘diamond’ to the total number of synthetic diamonds 15.6%
Diamond Referral Rate Ratio of diamonds being referred for further testing to the total number of diamonds n/a
Diamond Accuracy Ratio of diamonds being referred for further testing to the total number of diamonds 93.9%
Synthetic Diamond Referral Rate Ratio of synthetic diamonds being referred for further testing to the total number of synthetic diamonds n/a
Speed Stones per hour 935
ASSURE Smalls Sample

The ASSURE Smalls Sample consists of 1,000 loose diamonds and 200 loose synthetic diamonds. The stones are 0.005 ct to 0.02 ct in D-J colour. The below results are from the test with the ASSURE Smalls Sample.

 

Diamond False Positive Rate Ratio of synthetic diamonds being referred for further testing to the total number of synthetic diamonds 1.6%
Diamond Referral Rate Ratio of diamonds being referred for further testing to the total number of diamonds n/a
Diamond Accuracy Ratio of diamonds being referred for further testing to the total number of diamonds 77%
Synthetic Diamond Referral Rate Ratio of diamonds being referred for further testing to the total number of diamonds n/a
Speed Stones tested per hour 935
Where Do I purchase the Instrument?

Website: http://www.drctechno.com/

Email: info@drctechno.com

Phone: +91 990 9990 884

Safety Testing

The most important requirement when selecting a Diamond Verification Instrument is that the instrument meets the safety regulations of your local jurisdiction. Before purchasing an instrument, request that the manufacturer verifies that their instrument complies with all regulatory requirements.

 

Click here to download the safety testing credential for J.Mini submitted by DRC Techno. Please note that the safety testing credentials have not been validated through the ASSURE Program.