Presidium® ARI Diamond Verification Tester

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.

• 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.
• 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.
• 3 x AAA alkaline batteries (up to 4 hours of continuous usage) or AC adaptor.
• Standby time: 10 minutes from the last measurement.
• 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%.

Warranties are issued by the manufacturer of an item and not our store. If an item you bought is defective within the 30 days of your purchase date, we will gladly replace it for you if a receipt is present. Otherwise, we will be more than happy to help you obtain any information you need in order to properly communicate with the manufacturer of your item. Please note that if you choose to have us correspond with the manufacturer regarding your item, there will be a shipping fee and/or a repair charge if the item's warranty is deemed to be expired. 

We want you to be happy with your purchase and would like to be transparent with our returns policy.

ONLINE returns are accepted within 30 days of the purchase date. All items must be unused and in their original packaging. To return an item, please contact us by e-mail or by phone to obtain an RMA number. We will gladly refund you in the original form of payment. Shipping costs for returns are paid for by customers unless item(s) are deemed to be defective or shipped incorrectly by us. Items that do not have a receipt will be issued a store credit if and when approved for return within the 30 days period. Please note, special orders are non-refundable and non-exchangeable.

STORE returns are accepted within 7 days of the purchase date but will be credited with a store credit. There are no cash returns on items purchased in store. Returns of damaged or defective items will be considered within 30 days of the purchase date.

Please note, any purchases made specifically for Trade Shows will not be authorized for return or exchange.