Whether you need diamond grading, gemstone certification, lab-grown diamond detection, or any other gemological testing services, GII Laboratory is here to help. With multiple locations across India and a team of certified gemmologists, we’re ready to assist with your testing and certification requirements. Contact us via phone, email, or visit one of our locations. Our customer service team responds to inquiries during business hours and can assist with sample submission, pricing information, and turnaround times.
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