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Inspection & Measurement

Diamond & Gemstone Tester

KYG0245

Smartpro Screen-I Diamond Tester

SMARTPRO · Screen-I

Portable diamond tester for distinguishing natural diamonds from synthetic HPHT/CVD, supporting mounted stones, quick results, and long battery life.

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Inspection & Measurement

Specifications

Testable Stone TypesNatural Diamonds (Type Ia); Synthetic Diamonds HPHT/CVD (Type IIa)
Color RangeD to J (Colourless to Near Colourless)
Minimum/Maximum Carat Size0.01 ct to 12 ct
Operation ModeManual operation, automatic result display
Power Supply4 x AAA batteries or USB power adaptor
Battery LifeUp to 150 hours (alkaline batteries, continuous use)
Input Port TypeMicro USB Type A-B
USB Cable TypeUSB 2.0 Type A to Micro USB Type B
Time per TestApprox. 3 seconds
Standby Time5 min from last measurement
Operating Temperature0 °C to 35 °C (32°F – 95°F)
Storage Temperature-20 °C to 40 °C (-4°F – 113°F)
Size12.6 × 7.6 × 6.5 cm
Weight153g

Overview

Highlights

  • Accurately screens natural vs. synthetic diamonds (HPHT/CVD, Type IIa) in D–J color range.
  • Supports testing both loose and mounted stones; fast, automatic results with LED/buzzer indicators.
  • Long battery life—up to 150 hours of continuous use, with USB or AAA battery power options.

Applications

  • On-the-spot diamond verification in jewelry retail stores.
  • Gemological laboratories and professional jewelry appraisals.
  • Mobile or remote diamond testing at trade shows or purchasing trips.

Overview

The Smartpro Screen-I Diamond Tester is a portable verification instrument designed to accurately distinguish natural diamonds (Type Ia) from synthetic diamonds (HPHT/CVD, Type IIa) in the D–J color range. It can test stones from 0.01 to 12 carats and supports both loose and mounted stones (provided jewelry has an under hole), offering flexibility for different jewelry types.

This user-friendly device features an automatic test result with a smart touch switch, laser pointer, LED/buzzer indicators, auto power-off, and Bluetooth readiness for mobile integration. Its LED light source is mercury-free with no warm-up time required, and it runs up to 150 hours on AAA batteries or USB power, making it ideal for busy retail and gemological environments.