国际水晶产业联盟 (ICIA)

RCGS (4D) 发晶与钛晶分级技术规范白皮书

Titanium needle density, spatial vector alignment, chatoyancy cat-eye luster, and micro-CT 3D topological hashing.
REF: ICIA-STD-RCGS-2026-ZH
STATUS: 法定基线 • 全球强制执行
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.

熔断机制:树脂充填降级与封顶令

凡在2800-3200 cm⁻¹区间检出环氧树脂特征峰的样品,强制封顶至Tier 3商业级,剥夺天然色认证。

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.
特许机构 / 实验室法定代表签署
Authorized Signature & Title:
Corporate Stamp & Date:
国际水晶产业联盟常设秘书处与受托人
INTERNATIONAL CRYSTAL INDUSTRY ALLIANCE
★ 联盟官方公信力法定印章 ★
伦敦 • 日内瓦 • 香港
REG-REF: ICIA-STD-RCGS-2026-ZH-AUTH