Colour Stone Identification and Certification

GII Colour Stone Identification and Certification Services

GII Laboratory offers comprehensive colour stone identification and certification services for gemstone professionals, jewelers, and collectors. Our certified gemmologists use advanced laboratory equipment and international standards to provide accurate and reliable testing reports.

Professional identification of all species and varieties of gemstones including ruby, emerald, sapphire, amethyst, and other precious and semi-precious stones.

Accurate determination of the geographical origin of ruby, emerald, and sapphire stones using spectroscopic analysis and elemental testing to verify provenance and increase value.

Advanced identification of natural gemstones versus synthetic varieties, lab-grown diamonds, and synthetic simulants like cubic zirconia, moissanite, and glass imitations using cutting-edge technology.

Comprehensive analysis to identify heat treatment, irradiation, fracture filling, coatings, and other enhancements applied to gemstones.

GII Laboratory offers comprehensive colour stone identification and certification services for gemstone professionals, jewelers, and collectors.
GII Laboratory utilizes state-of-the-art gemological equipment and sophisticated analytical techniques for colour stone identification :

Microscopy and Magnification:Detailed examination of gemstone structure, inclusions, and surface characteristics
Spectroscopy: UV-Visible, FTIR, and Raman spectroscopy for precise identification
Elemental Analysis: EDXRF (Energy Dispersive X-ray Fluorescence) for compositional determination
Photomicrogaphy: High-resolution imaging to document gemstone features

This multi-faceted approach ensures accurate and comprehensive gemstone certification in compliance with international standards (GIA, CIBJO, and ICCG guidelines).

Why Choose GII for Colour Stone Certification?

Professional Expertise: Our team includes certified gemmologists with decades of experience in gemstone identification and testing.
International Recognition: GII reports are recognized and accepted by diamond traders, jewelers, gemstone exporters, and insurance companies worldwide.
Objective Analysis: All testing is conducted with complete anonymity and objectivity to ensure unbiased assessment of your gemstones.
Detailed Reports: Comprehensive certification reports include photomicrography, treatment analysis, origin determination, and professional recommendations.
Quick Turnaround: Most colour stone certification is completed within 5-6 business days depending on complexity.

Turnaround Time & Pricing

Colour stone identification and certification typically takes 5-6 business days
depending on:
• Complexity of the gemstone
• Current laboratory volume
• Type of analysis required(basic identification vs. advanced origin certification)

Express services may be available upon request.
For detailed pricing information and service options, contact our laboratory directly.

The first Research & Development Laboratory in the field of Gemstones in India recognized by the Department of Science & Technology, Government of India as SIRO.

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