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.

The IGI laboratory grown diamond report for finished jewelry describes the article, identifying all mounted gemstones as well as precious metal content and purity stamps, if present.

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 …

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

IGI Natural Diamond Reports give an accurate assessment of a diamond’s cut, color, clarity, and carat weight according to strict international standards, supported by detailed diamond certification.

IGI Natural Diamond Reports give an accurate assessment of a diamond’s cut, color, clarity, and carat weight according to strict international standards, supported by detailed diamond certification.

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

Without disassembling heirlooms or complex pieces, IGI performs thorough, objective and expert analysis of finished jewelry items. IGI screens every gemstone using state of the art technologies to …

Protect your diamond’s identity with IGI’s registration and recovery services. Ensure easy retrieval and secure access to your diamond’s certification details.