Screen-I
Screen-I is a portable diamond verification instrument for loose and mounted diamonds designed to separate natural diamonds from synthetic diamonds. Screen-I is manually operated but gives an automatic test result.
ASSURE Diamond Verification
Stone Testing Capability
Weight: 0.01 ct-12 ct
Colour: D-J
Shape: All
Diamond Simulants: No
Mounted Stones: Yes (open back designs, not yet ASSURE Tested)
Instrument Performance
The below results demonstrate the performance of the Screen-I with the ASSURE Core Sample:
Diamond False Positive Rate (optimal rate 0%): 0%
Diamond Referral Rate (optimal rate 0%): 10.5%
Diamond Accuracy Rate (optimal rate 100%): 89.5%
Speed (stones tested per hour): 283
The ASSURE 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: No
Automated dispense: No
Detect or Refer (synthetic diamonds) Detect
Detect or Refer (diamond simulants) N/A
Multiple stones at once: Yes
Training required: Yes
Screen-I automatically displays one of the following results:
- Diamond
- CVD/HPHT
‘CVD/HPHT’ result could contain synthetic diamonds and natural diamonds, and these have been classified as ‘referrals’. These referrals should be tested by a gemmological laboratory for full verification.
Instrument Specifications
Size: 12.6 cm (L) x 7.6 cm (W) x 6.5 cm (H)
Weight: 0.174 kg
Price: 549 USD (October 2019)
Contact information
smartproinstrument.com
sales@smartproinstrument.com
+66 (0) 2 899 2956-7
ASSURE Tested May 2019
ASSURE ID: 55303
