Authenticity & Certification

Every gemstone is carefully selected and verified to ensure its natural origin and authenticity.

Our Approach to Authenticity

We work close to gemstone sources and evaluate each stone individually.
Certification is provided to further verify its identity, origin, and characteristics.

Recognized Gemological Laboratories

Gübelin | Gübelin Gem Lab

A prestigious Swiss laboratory renowned for expertise in high-value colored gemstones.

SSEF | Swiss Gemmological Institute

A leading Swiss institute known for advanced testing and research in rare gemstones.

Guild | Guild Gem Laboratories

A modern laboratory known for digital certification and strong presence in the Asian gemstone trade.

GRS | GemResearch Swisslab

A respected laboratory specializing in origin and quality evaluation of colored gemstones.

AIGS | Asian Institute of Gemological Sciences

One of Asia’s earliest gemological institutes, recognized for colored gemstone testing and education.

GRC | GemResearch Center

A colored gemstone laboratory known for detailed origin and treatment analysis in the Asian market.

Selecting the Certification

Different gemstones require different levels of certification.

High Value / Collector

For rare or high-value gemstones, we recommend internationally prestigious laboratories such as Gübelin or SSEF, known for their advanced analysis and global recognition.

Fine Jewelry & Trade Standard

For fine jewelry and most colored gemstones, laboratories such as GRS, AIGS, or GRC provide reliable certification with strong recognition in the gemstone trade.

Everyday Jewelry & Accessible Options

For everyday pieces or entry-level gemstones, laboratories such as NGTC or Guild offer practical and widely accepted certification, especially in the Asian market.