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Gemmological Institute of India (GII)
ISO 17025 Accepts NDA
About
The Gemmological Institute of India (GII), established in 1971 and NABL-accredited per ISO 17025, is India's premier gem testing laboratory and the only SIRO-recognized facility for gemstone research. GII provides diamond grading and certification, gemstone identification, lab-grown diamond detection using D-Vision Pro technology, treatment detection, and geographical origin determination, having tested over 100,000 gemstones.
Industries served
Materials