Back to product range
Image1/ 3

Inspection & Measurement

Diamond & Gemstone Tester

KYG0246

SmartPro Optimum-I Diamond Tester

SMARTPRO · Optimum-I

SmartPro Optimum-I Diamond Tester instantly distinguishes natural, lab-grown (CVD/HPHT) diamonds, and moissanite with no warm-up and touch LCD interface.

Share product

WhatsApp

Inspection & Measurement

Specifications

Testing CapabilityNatural diamonds, CVD/HPHT synthetic diamonds, all types of moissanite
Stone Size Range0.015 to 10 carats
Color Range SupportedColorless to Faint (D-M)
Compatible Stone TypesRound brilliant cut and most fancy cuts
Operation ModeHandheld, no warm-up required
Display2.4-inch color touch LCD, 240 × 320 pixels
Test Time per Stone3–4 seconds
Power SourceUSB power adaptor or power bank (5000mAh included)
Device Dimensions17.75 cm (L) × 5.7 cm (W) × 3 cm (H)
Weight160 g
Included AccessoriesOPTIMUM-I tester, USB power adaptor, micro USB cable, power bank, cleaning cloth, stone tray, protective case, user manual, warranty card
Operating Temperature0 °C to 35 °C (32°F to 95°F)
Storage Temperature-20 °C to 45 °C (-4°F to 113°F)
USB ChargingUSB 2.0 type A to micro USB type B
Auto Power OffAfter 5 minutes inactive
Test Result DisplayVisual on-screen with beep sound indicator
NoteDoes not test CZ or other simulants/gemstones

Overview

Highlights

  • Identifies natural, CVD/HPHT, and moissanite stones with instant results
  • No warm-up required; touch LCD provides clear, user-friendly operation
  • Supports wide range: 0.015–10 carat, loose or mounted stones, round or fancy cuts

Applications

  • On-the-spot diamond verification in jewelry retail environments
  • Gemological lab identification of natural, lab-grown, and moissanite stones
  • Sorting and authentication of loose and mounted stones in trade shows and workshops

Overview

The SmartPro Optimum-I Diamond Tester is a unique handheld multi-tester designed for fast and reliable identification of natural diamonds, synthetic CVD/HPHT diamonds, and all types of moissanite. Utilizing advanced UV LED fiber optic technology, it can test a wide range of stone shapes and carat weights from 0.015 to 10 carats, covering both loose stones and mounted jewelry, regardless of setting.

The device features a vibrant 2. 4-inch touch LCD for easy measurement reading, auto testing function, and automatic power-off for convenience. It is user-friendly for both right and left-handed users, requires no warm-up time before testing, and contains a high-efficiency, mercury-free LED light source, making it ideal for professional jewelers and gemological labs.