ARI by Presidium
- Diamond and moissanite screener
ARI is developed as a handheld PRESIDIUM DIAMOND VERIFICATION INSTRUMENT® to help identify colourless diamond against CVD/HPHT lab grown colourless diamond and all types of moissanite.
ARI by Presidium Tutorial Video - Performing a test and Reading results
Video is for illustrative purposes only and may also show products from other manufacturers.
It is suitable for testing on both loose and mounted stones, including jewelry pieces with a closed back setting. Through advanced proprietary technology, ARI measures the UV light absorbance ability of diamond and moissanite. With its touch screen colour LCD display, ARI provides a clear and accurate result of “Diamond”, “CVD/HPHT/Type IIa” and “Moissanite” within 3 seconds.
Features
- User-safe UV Retractable Optical Probe activates only when tip is in contact with the diamond
- Alert Buzzer for loss of contact between optical probe tip and diamond during testing
- A 6-Language selection in the Graphic User Interface (GUI)
- Battery operated with stylish ergonomic design for portability and ease of use
- Tests on colourless diamonds and moissanites from D to J colour
- Catered for both left-handed and right-handed users alike
- Optical Tip assessment tool in settings
Benefits
- Identifies colourless diamonds against Lab Grown CVD/HPHT diamonds and all types of moissanites, including the new “low conductivity” moissanites
- Tests on loose or mounted diamonds in all jewelry settings, including closed-back setting
- Replaceable Optical Probe tip technology for users to replace any worn or damaged probe tips yourself, minimizing any equipment downtime
- Instantaneous results in 3 seconds for consecutive testing
- Tests on polished diamonds and moissanites of all proportional cuts as small as 0.02ct
Specification
- Power & Battery: 3 x AAA alkaline batteries (up to 4 hours of continuous usage) or AC adaptor
- Standby time: 10 minutes from the last measurement
- Recommended Operating Conditions:
Operating Temperature: 18°C - 27°C (65°F - 80°F)
Storage Temperature: 10°C - 51°C (50°F - 124°F)
Air Relative Humidity: 35 - 65% - Dimension & Weight
Length: 190mm (7.5 inches)
Width: 46mm (1.8 inches)
Height: 25mm (0.9 inches)
Weight (without batteries): 60g (0.13lb)

Regarding the WEEE- /Battery-Directive
Items belonging to the WEEE Directive will only be supplied to commercial users within the EU. Items belonging to the Battery Directive will only be supplied within the EU to commercial customers who purchase them exclusively for resale.
These provisions shall not apply to deliveries within Germany or to third countries, unless a general export ban applies to the item in question.
Time of delivery
This item is not on stock at the moment. If we are not able to ship this item within 5 days and/or the price will change, we will contact you.