Diamond Reports

IGI's loose diamond reports identify natural or lab grown origin and document all aspects of the diamond's value-setting 4Cs.

Verify Your Report

Natural Diamond Report

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

Natural Diamond Report

Hearts & Arrows Report

“Hearts & Arrows” (H&A) diamonds are cut so precisely that their facet reflections overlap when viewed in a reflective scope. The reflections resemble a pattern of “hearts” seen face-down and “arrows” face-up. Hearts & Arrows precision is typically associated with Excellent-Ideal cuts of superior quality.

Hearts & Arrows Report

Fancy Colored Diamond Report

Fancy colored diamonds can be yellow, pink, orange, purple, green, blue and beyond. The IGI Fancy Colored Diamond Report describes a diamond’s hue, lightness or darkness of tone and strength of saturation, identifying its position in the gemstone color universe.

Fancy Colored Diamond Report

School of Rock

IGI consumer education is designed to prepare shoppers to make informed decisions when buying or selling diamonds, gemstones and jewelry.

All Resources

Diamond 4Cs

Learn about Cut, Clarity, Color and Carat weight and the international grading system that determines the quality and price of a diamond.

Diamond 4Cs

Diamond Shapes

Diamonds come in a wide range of stunning shapes, from the classic round brilliant to the regal emerald cut, each possessing its own unique charm and elegance.

Diamond Shapes

Enroll in our Diploma Programs

IGI’s School of Gemology is the ultimate place to discover the breathtaking world of diamonds, gemstones and jewelry.