Presidium Tester

SKU: AAJ-51-215
Unit Price
US $ 190.50
US$ 190.50 
US$ 189.361%
US$ 188.691%
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Length (inches)
160mm (6.3)
Width (inches)
21mm (0.83)
Height (inches)
30mm (1.18)
Weight (grams)
Operating Temperature
18°C-27°C (65°F-80°F)
Can Detect
Diamonds and Gemstones as small as 0.02ct
LED display
Clear and easy-to-read
Battery Time
6-8 Hours based on alkaline batteries

Presidium® Diamond Mate is a premium entry the brand's line of testers that utilize properties of electro-thermal conductivity and PRESIDIUM's signature, retractable probe tips, which maintain consistent pressure against the gemstone during testing, to accurately verify the authenticity of diamonds and moissanite.

Metal-contact audio alert ◆ Seven hours continuous use ◆ Virtually instant results ◆ No waiting time between tests ◆ Easy-to-read display with LED indicator ◆ Low-battery indicator with auto-off ◆ AC and battery power ◆ One-year manufacturer's warranty

The PDMT-C is powered by an embedded rechargeable battery and by the included 120 - 230 V power adapter.

Shipping specs
0.10 Lbs
6.3" x 1.18" x 0.83"
Shipping from
This product is shipped from our warehouse in Los Angeles, CA, United States
Our guarantee
This product is brand new and includes the manufacturer's warranty, so you can buy with confidence.
All sales on rings and special order items are final (no returns and no exchanges are possible).
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