国際結晶・水晶産業連盟 (ICIA)

RCGS (4D) ルチルクォーツ・タイチンルチル技術仕様白書

Titanium needle density, spatial vector alignment, chatoyancy cat-eye luster, and micro-CT 3D topological hashing.
REF: ICIA-STD-RCGS-2026-JA
STATUS: 法定基準 • 世界的強制適用
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.

サーキットブレーカー:樹脂含浸による格付け制限令

2800〜3200 cm⁻¹でエポキシ樹脂のピークが検出された検体は、無条件でTier 3(商業級)に格下げ制限され、天然色認定は無効となります。

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.
公認加盟機関 / 研究所法定代表者署名
Authorized Signature & Title:
Corporate Stamp & Date:
国際結晶産業連盟 常任事務局・信託機関
INTERNATIONAL CRYSTAL INDUSTRY ALLIANCE
★ 連盟公式法的公印 ★
ロンドン • ジュネーブ • 香港
REG-REF: ICIA-STD-RCGS-2026-JA-AUTH