RFID in the Diamond Industry
How It Works
- RFID Tags: Specially designed UHF passive tags are embedded or attached to diamond packets or envelopes.
- RFID Readers: Handheld or fixed readers scan multiple tags simultaneously, without line-of-sight.
- Data Integration: Tags carry unique IDs linked to stock details in an ERP/WMS system for real-time updates.
🔍 Use Cases
1. Inventory Mapping & Stock Tally
- Challenge: Manual stock counting is time-consuming and error-prone.
-
RFID Solution:
- Scan hundreds of diamond packets at once with a handheld or overhead reader.
- Real-time sync with inventory software.
- Benefit: Reduces stock audit time by 90% and increases accuracy.
2. Packet Tracking (Movement & Transfer Logs)
- Track movement of packets from sorting, grading, polishing, to dispatch stages.
- Maintain a digital trail of location and handler history.
3. Theft and Loss Prevention
- Integrate RFID with door-mounted readers or exit sensors to alert for unauthorized movement.
- Geo-fencing within factory zones restricts packet movement.
4. Diamond Identification & Matching
- Tag carries info (weight, clarity, cut, etc.) matched instantly via a database.
- Helpful in sorting mixed packets or during customer previews.
5. Government/Policing Use Case
- Customs/Policing: Scanning in bonded warehouses or during transit can verify packet authenticity.
- Audit Trails: Agencies can track supply chain flow and detect inconsistencies.
Special Design Tags & Readers for Diamond Use
| Component | Custom Feature | Performance Highlight |
|---|---|---|
| Mini RFID Tags | Ultra-small UHF tags (3x3 mm or smaller) | Tag up to 1,000 diamond packets in a small tray |
| Anti-metal Tags | Tags designed for foil pouches or metal trays | Accurate reads without signal distortion |
| RFID Readers | High-speed UHF readers (fixed/handheld) | Read up to 500 tags/second within 1–2 meters |
| Smart Cabinets | Embedded with readers and access control | Automatic logging when drawers are opened/closed |
Benefits to Diamond Companies
- Speed: Complete stock verification of 5,000+ packets in under 5 minutes.
- Reduced Labor Cost: Cuts down need for manual tallying and dual verification.
- Audit Preparedness: Instant stock reports for bank audits, customs, or insurance.
- Operational Visibility: Know exactly where each packet is at any time.
- Security Layer: Integrates with surveillance and access control systems.
Benefits to Policing & Regulatory Authorities
- Track Legal Movement: Real-time logs for bonded warehouses or cross-border shipments.
- Policy Compliance: Easy verification of packet-level data for taxation and export control.
- Fraud Detection: Identifies misreported inventory or duplication attempts.
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