AI Powered Diamond Detection
Detection Categories
Accurate. Intelligent. Reliable.
White Light inspection
Guardian Pro — Diamond detection
Lab certificates record the past. Guardian Pro verifies the present — right on your counter, in front of your customer, in under 60 seconds. AI auto-marking reads and calls the result, so there’s no operator judgment call and no guesswork in between.
Guardian Pro is DRC’s retail-counter model. Manufacturing bulk volume or melee?
The Guardian is a cost-effective and reliable CVD/HPHT and CZ lab-grown diamond detector, catering to the needs of retailers, chain stores, and small manufacturers.
With a generous scanning area from 6 inches by 5 inches up top 8 inches by 7.5 inches , it provides the flexibility to scan jewellery and loose diamonds of any size and shape, from 0.003 carats small diamonds to big necklaces. Enhance your detection capabilities and protect your business with the Guardian, the ultimate solution for efficient and trustworthy diamond detection.
Integrated Mobile Phone
Rotating knob
Scanning Tray
Dimensions
313 x 321 x 230 (in mm)
Power
100/240 volt
Temperature range
5° to 35° C
Weight
10.7 KG
30 to 45 sec
CVD
HPHT
CZ
Scanning area
6 x 5 up to 8 x 7.5 inch
Accuracy
High accuracy of over 99% in Automatic detection mode
Size
0.003 (carat or mm)
Colors
D to K
Automatically detects lab-grown diamonds(CVD & HPHT) and CZ in bulk loose diamonds and mounted jewellery.
The distinctive uplifting mechanism enables adjustable focus for precise and accurate diamonds in all shapes.
Exclusive internal long UV light to reduce false positive results.
20X – Zooming options and position pointer in advanced quad screening mode for accurate and easy screening.
Automatically rotates and scans from four different angles, ensuring complete and accurate inspection of every part of eternity rings and bangles.
AI Powered Diamond Detection
Accurate. Intelligent. Reliable.
Marking
These stones are detected as lab-grown diamonds, likely HPHT-grown with no natural diamond characteristics observed.
Marking
These stones are detected as lab-grown diamonds, likely CVD-grown. If UV fluorescence is present, then likely it’s natural.
Marking
Re-scan the stone separately and verify the result with manual interpretation to ensure accurate and reliable identification.
Screening CZ
Dark orange or greenish glow under Screen 5 indicates Cubic Zirconia with a high degree of confidence.
1 year full cover, extendable
Free for life, every new generation
3-year warranty
24/7 global
Posted on Google
sanju gangwalTrustindex verifies that the original source of the review is Google.
Ankit bhai ne visit kiya mujhe bahot acha laga unhone ek ek chiz bariki se samjhati hai aur mujhe bohat acha laga best machine Thank you service team , always on timePosted on Google
Afjal AliGoodPosted on Google
Sambhav JainRoshan wangane service was excellentPosted on Google
Chaitanya SolankiExcellent experience completing my skill-based training at DRC India. The staff was incredibly welcoming and provided valuable guidance for our project. Highly recommended for internships.Posted on Google
Nayansh SinghalThe machine is highly useful and very user-friendly. The service quality was excellent, and the team demonstrated strong technical expertise throughout. Overall, it was a smooth and satisfying experience. We also purchased the DRC Guardian, which has added great value to our operations. Varsha is an outstanding Sales Executive who consistently delivers strong results and provides excellent support.Posted on Google
Atul GautamThe machine is very useful and extremely easy to use. The service was very good, and the team has excellent knowledge. Overall, it was a great experience. “Varsha is an excellent Sales Executive who consistently delivers strong results.”Posted on Google
Parasnmali ParasnmaliGood service
See Guardian Pro in a live demo — bring your own pieces, ask anything. Takes 20 minutes. Changes how you sell.
Guardian Pro is DRC’s retail-counter model. Manufacturing bulk volume or melee?
Serving the global diamond industry through a trusted network of DRC experts across major trading hubs, ensuring personalized support and prompt service.
Guardian Pro is an advanced diamond verification and screening solution designed for professional jewellery and diamond businesses. It combines automated detection capabilities with a workflow designed for efficient stone verification.
Yes. Guardian Pro is designed to identify indications of CVD and HPHT lab-grown diamonds during the screening process.
Yes. Guardian Pro supports screening for common diamond simulants including Moissanite and Cubic Zirconia.
Guardian Pro is designed to screen stones and identify potential lab-grown diamonds. Where definitive identification is required, further laboratory analysis may be appropriate.
Guardian Pro is designed to provide consistent automated screening results. Its performance depends on factors such as stone characteristics and correct operation.
Guardian Pro is designed for professional diamond screening applications and supports a range of jewellery testing workflows. The exact supported configurations should be confirmed from the current specifications.
Guardian Pro is designed for rapid screening, making it suitable for businesses handling significant numbers of stones and jewellery pieces.
It is particularly suitable for jewellery manufacturers, retailers, diamond traders, laboratories and businesses that require efficient professional diamond verification.
Guardian Pro offers a more advanced professional workflow compared with compact screening solutions. Its features are intended for businesses that require broader testing capability and efficient operational processing.
DRC delivers next-generation diamond technology across detection, measurement, sorting, counting, imaging, and manufacturing—bringing precision, automation, and intelligence to the diamond and jewellery ecosystem.
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Our Innovative Technology Accurately Identifies Diamonds Embedded In Jewellery, Supported By Exceptional Service.
Security & Traceability
Imaging & Videography
Manufacturing Solutions
Security & Traceability
Imaging & Videography
Manufacturing Solutions
Copyright © 2026 All Rights Reserved. │ Website Design and Development by Dhyanvi Technologies.
DRC delivers next-generation diamond technology across detection, measurement, sorting, counting, imaging, and manufacturing—bringing precision, automation, and intelligence to the diamond and jewellery ecosystem.
Answer the 5 questions below to identify the DRC machine model based on your customer type, jewellery format, specific items or trays, operating location and data integration requirements.
| KEY FEATURE | J-MINI PRO | SENTINEL | GUARDIAN PRO | J-SMART P2 | J-DETECT PRO |
|---|---|---|---|---|---|
| Best Used For | Compact loose-diamond screening | Portable screening for traders & small retail | Complete retail store & full jewellery range | High-capacity automated & ERP-integrated screening | Fixed workstation for labs & manufacturers |
| Workflow Solved | Slow manual sorting on the go | Sales counter clutter; screen flips to customer | Inability to screen bangles & large necklaces | Manual stock entry; integrates with ERP database | Basic hand-testing; needs multi-tray precision |
| Scan Area | 2.4 × 2.4 in | 4 × 5 in | 6 x 5 in upto 8 x 7.5 in | 9 × 6 in | 5 × 4 in |
| Jewellery Supported | Loose & small rings only | Loose, rings & small items | Loose, rings, necklaces, bangles + 360° Eternity rotation | All formats + 360° Eternity rotation | Loose, rings and bangles |
| Customer Display | Back-office view | Detachable screen (Customer-facing) | Screen Casting | Integrated industrial / External screen | Laptop display |
| ERP / Data Sync | Standalone | Standalone | Standalone | Automated ERP & Chain-of-custody | Workstation export |
| Capacity / Speed | Up to 50 ct | 30–45 Sec | Up to 100 ct | 30–45 Sec | Up to 200 ct | 30–45 Sec | Up to 300 ct | 30–45 Sec | Up to 100 ct | 30–45 Sec |
