• 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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• Metals
  • Platinum
  • 18 Karat Gold
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• Gemstones
  • Mohs Hardness Scale
  • Color
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  • Lab Grown Color Gemstones
  • Precious Gemstones
  • Semi-Precious Gemstones
  • Lab Created
  • Simulant vs. Synthetic
  • Sapphires
  • Moissanite
  • Cubic Zirconia
• Glossary

AGS

a·g·​s | ā-ˈjē-ˈes

noun

American Gem Society: a professional organization formed in 1934 by several independent jewelers and the founder of the Gemological Institute of America (GIA)

AGS was founded to protect consumers from deceitful and faulty advertising, and to set and maintain ethical standards and practices within the industry. In order to join the AGS there are a specific set of requirements one must follow. Every member must comply with the peer-reviewed application procedures prior to a yearly recertification exam. AGS is the nation's leading jewelry trade organization dedicated to consumer protection. AGS and its laboratories are focused on maintaining high standards of ethical performance and professional behavior in exchanges within the various segments of the jewelry industry.