Explore IGI diamonds and gemstone certification trusted worldwide for quality & authenticity. Learn about IGI’s grading standards & global certification process.

This report provides an opinion by IGI, and neither IGI’s original client nor any purchaser of the article shall rely on this report as a guarantee, appraisal, or warranty.

An IGI Diamond Report is your foundation for informed and confident diamond ownership. Our reports, renowned for their accuracy, deliver expert analysis supported by detailed diamond certification, …

Without disassembling mounted stones or complex pieces, IGI experts perform thorough, objective analysis. IGI screens every gemstone using state of the art technologies to determine naturally …

Verify your IGI report and explore trusted diamond and gemstone certification. IGI grading reports ensure accuracy in cut, clarity, color, and authenticity

Discover the diamond grading process at IGI. Learn about the diamond grading scale, overall grading process & how the diamond quality chart is used for assessment.

Have an enquiry related to education, an interest in our online courses, or just a question that needs answered? Contact IGI today.

IGI was the first laboratory to develop reports for finished jewelry and continues to lead the field today. More complex than the analysis of loose gemstones, IGI’s expertise in the analysis and …

Discover IGI's diamond services like diamond screening, sorting, etc. that provide transparency, protection & added value for buyers & sellers through expert analysis.

+912240352550 india@igi.org Services Provided Gemological Lab Located in the heart of India’s thriving diamond and jewelry trade, Mumbai serves as the headquarters for a world-renowned …