Professional Diamond Detection. Now Portable.

Meet J-Mini Pro™ – a compact, professional diamond detection system designed to identify CVD, HPHT, and CZ diamonds with speed and confidence.

Now portable, easy to operate, and built for real-world workflows — enabling effortless screening of loose diamonds and mounted jewellery, wherever verification is required.

PRODUCT

J Mini Pro Diamond Detection System is a compact yet powerful solution built for professionals who require dependable diamond authenticity verification on the move.

Designed to screen loose diamonds and mounted jewellery, J-Mini Pro combines accuracy, speed, and ease of use—making it ideal for retail counters, buying offices, exhibitions, and field operations.

J-MINI PRO

When Accuracy Can’t Stay Stationary, Detection Shouldn’t Either.

Professional diamond verification should adapt to how businesses operate today.
J-Mini Pro shifts detection from fixed labs to flexible environments, ensuring authenticity checks remain fast, reliable, and consistent—wherever diamonds are evaluated.

🔹 Struggling to identify lab-grown diamonds quickly?
 J-Mini Pro detects CVD, HPHT, and CZ with professional accuracy.

🔹 Worried about misclassification at the counter or on the move?
 It delivers clear, consistent results without manual interpretation.

🔹 Tired of bulky systems and complex setups?
 Its compact design enables effortless screening anywhere you work.

🔹 Need fast verification without disrupting workflow?
 Place the stone, press Start, and get confident results in under 90 seconds.

Smart Features That Work Where You Do

It’s a fully automated process that replaces manual sorting and measurement.
Accelerating production while maintaining superior consistency and reliability. 

Automatic Lab-Grown Diamond Identification

Detects CVD, HPHT, and CZ diamonds with minimal operator input.

Fast Screening Cycle

Typical scan time of 45–90 seconds, supporting high-volume workflows.

Loose & Mounted Jewellery Screening

No stone removal required.

High Detection Accuracy

Ensures consistent and repeatable results suitable for professional use.

Data Storage & Reporting

Save and print detection results for records and assurance.

Clear Visual Results

Easy-to-interpret output for internal and customer-facing use.

Built for the Way You Work

Built to Empower Every Detection Workflow

Its compact design and intuitive interface allow seamless integration into daily workflows.

  • Jewellery retail verification

  • Diamond trading & buying desks

  • Quality control operations

  • Mobile inspections & exhibitions

Technical Specifications

Dimensions

313 X 321 X 230 (in mm)

Material Construction:

Aluminum and Biodegradable plastic components

Machine Weight

10.7 kg (23.58 lbs.)

Power Supply

110V – 230V AC

Accessories

Loose Diamond Tray

Optimised for efficient placement and screening of loose diamonds during portable or on-site operations.

Power Adapter and Cable

Mobile Charger

Mounted Jewellery Tray

Supports rings, pendants, earrings, and other mounted jewellery; accommodates up to 15 ring slots.

Sample Pendant

Allen Key Set

Functional Overview

Size Range

Detects from 0.003 ct and above

Scanning Area

2.4 × 2.4 inches (compact, optimized for portable screening)

Detection

Accurate identification of CVD, HPHT, and CZ diamonds

Shape & Color Range

All shapes in D to K color range

Supported Types

Loose diamonds and mounted jewellery (rings, pendants, earrings)

Result Output

Fully automatic detection with clear, easy-to-interpret on-screen results

Visual Results. Confident Decisions.

  • Clear detection of CVD, HPHT, and CZ diamonds for professional verification

  • Live scan display with zoomed view for quick inspection

  • Positive identification of CZ—never ambiguous or “unknown”

  • Easy-to-read on-screen prompts guide the next step

  • Portable-friendly design lets you explain and showcase results directly to customers

The Competitive Edge You’ve Been Waiting For

🌟 Professional-grade diamond detection in a portable form — impress clients anywhere.

🧠 Eliminate guesswork with clear, automated CVD / HPHT / CZ identification.

📊 Positive ID for CZ and lab-grown diamonds—never ambiguous or unknown.

💼 Minimise training and human error—designed for intuitive operation.

Fast, efficient screening—results in under 90 seconds to save time and build client trust.

🔄 Versatile and mobile—ideal for retail counters, buying offices, exhibitions, or on-the-go verification.

FAQ

How does J-Mini Pro perform lab-grown diamond detection?

J-Mini Pro uses advanced automated technology to identify lab-grown diamonds, including CVD and HPHT diamonds, ensuring accurate and professional diamond verification in under 90 seconds.

Can J-Mini Pro detect Cubic Zirconia (CZ) and other diamond simulants?

Yes. The system provides positive CZ detection, distinguishing simulants from real diamonds for reliable diamond authenticity verification.

What is the minimum diamond size J-Mini Pro can detect?

J-Mini Pro detects diamonds from 0.003 carat and above, supporting professional loose diamond screening and mounted jewellery diamond testing.

Can J-Mini Pro screen mounted jewellery for lab-grown diamonds?

Absolutely. It supports rings, pendants, earrings, and other mounted jewellery, enabling portable lab-grown diamond verification without stone removal.

How fast does J-Mini Pro provide diamond detection results?

Typical scans are completed in 45–90 seconds, delivering fast and reliable lab-grown diamond detection.

Is training required to operate the J-Mini Pro portable diamond detector?

No. The intuitive touchscreen interface allows easy professional diamond verification, minimizing human error and operator dependency.

Can J-Mini Pro be used for on-the-go diamond detection in retail or exhibitions?

Yes. Its compact, portable design makes it ideal for retail counters, trade shows, and mobile diamond verification.

How accurate is J-Mini Pro in detecting lab-grown diamonds and CZ?

J-Mini Pro delivers over 98% accuracy, ensuring trusted, repeatable professional diamond verification.

Does J-Mini Pro support loose diamond batch screening?

Yes. It enables efficient screening of loose diamonds for quality control, trading, and inventory management.

Can J-Mini Pro distinguish between CVD, HPHT, and natural diamonds?

Yes. It provides clear, automated identification of CVD, HPHT, and CZ diamonds, supporting precise diamond authenticity verification.

Can J-Mini Pro generate reports for diamond verification?

Yes. Results can be saved, printed, or exported, providing documented lab-grown diamond verification for audits, client assurance, and record-keeping.

How does J-Mini Pro improve confidence in diamond screening?

By providing automatic, accurate, and clear lab-grown diamond detection, it reduces guesswork and enhances professional decision-making for retailers, traders, and QC teams.

Can J-Mini Pro detect diamonds in all color ranges?

Yes. It supports all shapes in D to K color range, ensuring comprehensive diamond authenticity verification.

Does J-Mini Pro require complex installation or calibration?

No. It is a plug-and-play portable diamond detector, ready for professional lab-grown diamond detection wherever you work.

Is J-Mini Pro suitable for verifying diamonds in trading and wholesale operations?

Yes. Its fast, portable detection makes it ideal for lab-grown diamond verification in trading, retail, and QC operations.