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Our Services

Professional Gemological Services

Comprehensive gemstone examination services designed for accuracy and professional documentation.

Gemstone Identification

Identification of natural, synthetic and imitation gemstones through professional gemological examination. Every stone is assessed against its known optical and physical properties before an identity is confirmed.

Microscopic Examination

Detailed examination of inclusions, growth features and internal characteristics. Microscopic study often reveals what a stone is, how it formed and whether it has been treated.

Treatment Analysis

Examination for indications of heat, filling and other gemstone treatments. Treatment history has a direct bearing on a stone's identity, durability and value.

Origin Opinion

Professional assessment and opinion regarding the possible geographic origin of gemstones, based on internal and chemical characteristics associated with known localities.

Lab Reports

Detailed documentation of gemstone identification and lab observations, prepared to a consistent professional format for client, trade and insurance use.

Jewellery Examination

Gemstone examination for stones mounted in jewellery and finished pieces, carried out without requiring the stone to be unset wherever possible.

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Not Sure Which Service You Need?

Bring the stone or piece to our lab and we will recommend the appropriate examination.

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Get In Touch

We are available to discuss gemstone testing, identification and lab services.

Address
161 Mahatma Gandhi Road, Eastern Plaza Building, 4th Floor, Kolkata 700007, West Bengal, India
Phone
+91 33 4804 0186