• Eco Friendly
  • Conflict Free Diamonds
  • Recycled Metals
• Engagement Rings
  • Where to Start
  • Questions to Ask Your Jeweler
  • How to Choose a Diamond
  • How to Choose Metal
• Custom Jewelry
  • Jewelry Care
  • The Advantage of Custom
  • The Custom Design Process
  • Policy
• Diamonds
  • What Makes a Good Diamond
  • Shapes
  • Cut
  • Clarity
  • Color
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  • Certificate
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  • Diamond Grading Process
• Metals
  • Platinum
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• Gemstones
  • Mohs Hardness Scale
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  • Lab Created
  • Simulant vs. Synthetic
  • Sapphires
  • Moissanite
  • Cubic Zirconia
• Glossary

IGI

I·G·I | ˈī jē ī

noun

Acronym for the International Gemological Institute

The International Gemological Institute is the world's largest diamond grader. They are committed to ensuring diamond and gemstone authenticity and standards.