World Leader in Grading, Education and Accreditation

With 5 laboratories and 4 schools in India, IDGL has a workforce of over 500+ experts dedicated to industry service and consumer protection.

Industry Service

Grading & Certification

With many years of expertise, IDGL grades more diamonds, gemstones and jewellery around the world than any other organisation.

Accreditation

IDGL is the world’s finest gemological laboratory to hold ISO accreditation in both natural and lab grown diamond grading.

Education

IDGL’s Schools of Gemology are unrivaled in diversity, reach, and practicality with courses offered in-person and online via eLearning.

ESG

IDGL is equally committed to all three facets of ESG – focusing on environmental, social and governance matters internally and externally.

IDGL DIAMOND AND DIAMOND JEWELLERY GRADING

IDGL DIAMOND AND DIAMOND JEWELLERY GRADING

Diamond Grading Report provides an accurate assessment of a diamonds authenticity and quality (cut, color, clarity and carat weight) based on internationally recognized standards.

GET CERTIFICATION

GET CERTIFICATION

The IDGL Certificate provides a reliable and accurate documentation of a diamonds identity and grade based on the internationally recognized diamond grading system.

GEM IDENTIFICATION REPORT

GEM IDENTIFICATION REPORT

This indicates gem variety, type, proportion, weight and includes a full description with a photograph of the gemstone. Quality grading of color for Ruby and Blue sapphire.