About the Laboratory
Why GIA Report
How GIA Grades Diamonds
About the 4Cs
Find a Jeweller
Reports and Services
Fees and Payments
How to Submit Stones
My GIA
My Laboratory
Journey of a Diamond
Report Check
Estimate a Cut Grade
FAQs
GIA LABORATORY IN INDIA
Around the world, GIA diamond, pearl and coloured stone reports are trusted and accepted as the standard for impartial gemstone quality assessment. The Institute’s laboratory in Mumbai is a state-of-the-art facility located in the Bandra-Kurla Complex, close to the Bharat Diamond Bourse.

Staffed by an expert team of graders and gemmologists, the Mumbai laboratory delivers world-class diamond services to serve the needs of manufacturers, traders and retailers across India and the world:
- Diamond Grading
- Coloured Diamond Grading
- Coloured Diamond Identification and Origin
- Melee Analysis Service
Learn how to submit your items for local diamond services or how to access GIA’s full array of trusted gemmological services for coloured stones and pearls.