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
  • Sealing
  • 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.

We invite you to begin taking advantage of our expertise.