Blog — The Gem Testing & Certification Laboratory of India

September 12, 2021 · GTCL Team

Understanding Gemstone Certification: What a Lab Report Actually Tells You

A gemstone certificate is more than a piece of paper. Each field carries specific technical meaning.

June 24, 2021 · GTCL Team

Many buyers confuse gemstones with crystals. The distinction matters for value, durability, and intended use.

March 18, 2021 · GTCL Team

Five reliable tests that separate genuine gemstones from imitations, synthetics, and glass look-alikes.

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