International Crystal Industry Alliance (ICIA)

RCGS (4D) Rutilated Quartz Grading Technical Whitepaper

Titanium needle density, spatial vector alignment, chatoyancy cat-eye luster, and micro-CT 3D topological hashing.
REF: ICIA-STD-RCGS-2026-EN
STATUS: Active • Enforceable
REGISTRY: cert.icia.uk

I. STATUTORY MATRIX & GOVERNANCE ARCHITECTURE

ORGAN / TIER REGULATORY MANDATE TECHNICAL BASELINE
CABCS Syndicate Commercial Trading Integrity Mandatory disclosure of [NT/H/I/RC/C/D] treatment tags; pre-funded ADRPS escrow bond maintenance (£15,000 - £250,000).
OA-LAB Network Testing & Certification Compulsory Micro-FTIR (3000 cm⁻¹), Confocal Raman, and Micro-CT instrumentation; annual closed-book round-robin proficiency audit.
PCAS Appraisers Professional Credentialing Dual-blind grading sign-off; personal cryptographic digital signature; continuous professional development (CPD).
OA-COM Tribunal Independent Arbitration 14-day expedited consumer restitution; final binding arbitral awards enforceable across 170+ New York Convention states.

CIRCUIT BREAKER: RESIN CAPPING ORDER

Samples showing epoxy peaks at 2800-3200 cm⁻¹ are strictly capped at Tier 3 with natural color voided.

II. REPRODUCIBLE SCORING & COMPLIANCE VERIFICATION

TIER CODE CLASSIFICATION POINTS RANGE COMMERCIAL APPLICATION
Tier 1 (EX) Pinnacle Collector 95 - 100 Points High-jewelry, sovereign reserves, international auction centerpieces.
Tier 2 (VG) Fine Bespoke Jewelry 85 - 94 Points Luxury boutiques, custom design ateliers, private vault collections.
Tier 3 (G) Standard Commercial 75 - 84 Points Global commercial retail volume driver; mandatory cap for [RC] filled stones.
Tier 4 (ST) Decorative / Accessory 60 - 74 Points Fashion accessories, carving rough, ornamental mineral decor.
Accredited Member / Lab Representative
Authorized Signature & Title:
Corporate Stamp & Date:
Permanent Secretariat & Trustees
INTERNATIONAL CRYSTAL INDUSTRY ALLIANCE
★ OFFICIAL STATUTORY SEAL ★
LONDON • GENEVA • HONG KONG
REG-REF: ICIA-STD-RCGS-2026-EN-AUTH