Instrument Performance
Key performance metrics measured for the JTR Reveal with the ASSURE 2.0 Primary Loose Stone 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%
The Primary Loose Stone Sample was tested three times and consists of 350 loose diamonds, and 100 loose synthetic diamonds. The stones are 0.03 ct to 0.20 ct in D-J colour.
Key performance metrics measured for the JTR Reveal with the ASSURE 2.0 Smalls Loose Stone Sample:
Diamond False Positive Rate (optimal rate 0%): 0%
Diamond Referral Rate (optimal rate 0%): 11.7%
Diamond Accuracy Rate (optimal rate 100%): 88.3%
The Smalls Loose Stone Sample was tested three times and consists of 350 loose diamonds, and 100 loose synthetic diamonds. The stones are 0.005 ct to 0.02 ct in D-J colour.
The measured test speed for the JTR Reveal was 371 stones per hour.
Key performance metrics measured for the JTR Reveal with the ASSURE 2.0 Primary Mounted Stone Sample:
Diamond False Positive Rate (optimal rate 0%): 0%
Diamond Referral Rate (optimal rate 0%): 7.4%
Diamond Accuracy Rate (optimal rate 100%): 92.6%
The Primary Mounted Stone Sample consists of jewelry pieces with open-back settings containing a total of 303 stones. The stones are a mix of diamonds, laboratory grown diamonds and diamond simulants in the D-J colour range and have a minimum girdle diameter of 2.0 mm.