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.

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

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

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 …

Jul 7, 2025 · The IGI, which stands for the International Gemological Institute, is a globally recognized authority in gemology. Holding an IGI report means your diamond has been …

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

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

IGI's Verify Your Report service permits quick and convenient confirmation that your report matches what is recorded in the IGI database.

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 …