Verify Report
Established in 2007, SGL Labs is a British-American diamond certification and authentication laboratory network which is co-headquartered in London and New York. We are one of the fastest-growing international laboratory networks spanning 5 countries, 18 locations, and 158 geo-footprints worldwide. Being at the front end of the industry, we have contributed passionately towards making services convenient for our clients. Prioritizing high standards, SGL is backed up with state-of-the-art technology and skilled professionals. We commit ourselves to contribute and maintain a sustainable gemstone industry and its mission to protect its clients and the trade by providing them with accurate and relevant information. Innovations such as personalized reports, QR codes, virtual blockchain-enabled certificates, and education services will help us benchmark SGL’s presence as one of the leading gemological laboratories around the world.

Our Aspirations

This image is used on the vision page of SGL which is to be a one-stop solution for Diamond certification, Gold Hallmarking, and Metal QC.


We aim to be one of the pioneers in the examination of diamonds and gemstones internationally, by providing high quality services.

This image is used on the about us page of SGL labs to show its mission of being a prominent gemological Institute in India specialising in gemstone and diamond certifications.


We strive to perform excellence in providing appropriate services to our customers in terms of quality and performance.

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Transparency, uniqueness, perfection, and commitment that aims to provide satisfactory outcome for our customers

Certifying with Integrity and Commitment

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(Geo footprint)

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Happy Clients
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Certificates Issued


Our Scope of work

Dia Screen

Easy to use highly rated device that can distinguish loose as well as mounted CVD, HPHT LAB GROWN, and Natural Diamonds within 10 seconds.

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SGL offers a broad spectrum of gemology courses to students from the industry trade and academia.

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SGL certified Natural Diamonds, Lab Grown Diamonds and Jewelry across the globe with expert gemologists and state-of-the-art equipment.

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