Hatton Garden,
London EC1N 8SU
Unleash the power of confidence with verified reports.
Who Are We?
Your Trusted Guardians of Diamond Excellence.
Embark on a journey of geological exploration with GLS, a cutting-edge laboratory committed to excellence and innovation. At GLS, we are a beacon of innovation and leadership in geological analysis and certification. Established in 2023, GLS has quickly become a beacon of reliability, offering top-notch services and groundbreaking solutions to clients globally. Our dedication to integrity, precision, and impartiality ensures that each geological specimen is analysed accurately and transparently.
- Reputation and Credibility
- Industry Standards
- Accuracy and Consistency
- Transparency
What We Do?
Precision Unveiled, Trust Sealed: Elevating Diamonds Through Expert Certification.
Diamond Grading and Certification
At the pinnacle of precision and authenticity, our Diamond Grading and Certification services set the industry standard for excellence.
Learn MoreCustomized Certification Reports
Tailor your diamond certification experience with our Customised Certification Reports.
Learn MoreExpert Consultation Services
Navigate the world of diamonds with confidence through our Expert Consultation Services.
Learn MoreExpress Certification Services
Our Express Certification Services offer a swift and efficient solution for your diamond certification needs.
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How It Works?
So here are three working steps why our valued customers choose us.
Diamond Grading
Our Diamond Grading process is the cornerstone of our commitment to precision and excellence
Diamond Identification
Diamond Identification is a crucial step in our process, ensuring that each diamond is uniquely recognized and tracked throughout our grading journey.
Grading Process
Our Grading Process is a meticulously crafted sequence aimed at ensuring consistency, transparency, and accuracy in diamond assessments.
G L S
Dazzling Assurance: Diamond Certification Showcase
Address
Room No.15, 28 Greville Street,Hatton Garden,
London EC1N 8SU