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.