Home Site Map

Site Map

Follow the links below to access information throughout the Web site.

  1. Find a Jeweler
  2. Find an Appraiser
  3. Diamonds
    1. AGS Diamond Grading System
      1. The Diamond Grading Plot
    2. History of the Diamond
    3. The History of the Diamond as an Engagement Ring
    4. 4Cs of Diamonds
      1. Diamond Clarity
      2. Diamond Carat
      3. Diamond Color
      4. Diamond Cut
    5. The Perfect Engagement Ring
      1. Find Your Ring Quiz
    6. The Perfect Proposal
      1. The Twitter Proposal: Good or Bad?
      2. Movie Proposals
    7. Diamond Buying
      1. The 7 Cs of Diamond Buying
      2. The Science of Scintillation
    8. FAQs
      1. Jewelry Appraisal Questions
      2. Jewelry Insurance
  4. Gems and Jewelry
    1. Birthstones
      1. January Birthstone
      2. February Birthstone
      3. March Birthstones
      4. April Birthstone
      5. May Birthstone
      6. June Birthstones
      7. July Birthstone
      8. August Birthstone
      9. September Birthstone
      10. October Birthstones
      11. November Birthstones
      12. December Birthstones
    2. Gemstone Map
    3. The Healing Power of Gemstones
    4. Precious Metals and Jewelry
    5. Jewelry for Special Occasions
    6. Jewelry Appraisals & Insurance
    7. Information About Pearls
    8. Buying Jewelry
    9. Sell Your Fine Jewelry
    10. Games & Quizzes
      1. Perfect Proposal Toolkit
      2. Find Your Ring Quiz
      3. American Gem Society Survey
      4. AGS Quizzes
  5. About AGS
    1. Code of Ethics
    2. Why an AGS Jeweler?
    3. AGS Laboratories
    4. Retailer Spotlight
    5. News
      1. Press Room
      2. AGS Member News
      3. AGS in the Media
    6. Jewelry Industry Careers
    7. Social Media
    8. Contact Us
      1. Comments
      2. AGS Board Member Directory
      3. Meet the AGS Staff
      4. Report a Problem
    9. Consumer Protection Kit
  6. AGS Laboratories
    1. About AGS Laboratories
    2. Products
      1. Mounted Diamond Evaluation Report
      2. The Platinum Diamond Quality Document
      3. Diamond Quality Document
      4. Diamond Quality Certificate
      5. Diamond Quality Report
      6. Gold Diamond Quality Report
      7. Diamond Quality Analysis
      8. Diamond Consultation
    3. Supported Shapes
    4. Diamond Trade Info
      1. Verify a Diamond Grading Report
      2. About AGS Labs
      3. Diamond Grading Reports
      4. Laser Inscription Services
      5. The Lab Process
      6. AGS Research and Documents
      7. Marketing
      8. Testimonials
      9. Glossary of Common Terms
      10. AGS Labs FAQs
      11. Turnaround Times
      12. Become an AGS Laboratories Client
      13. Our Global Partners
      14. Contact AGS Laboratories
      15. Light Performance Cut Grade

Signup for our Newsletter

The Latest News

AGS Laboratories Launches Mounted Diamond Evaluation Reports
AGS Laboratories Launches Mounted Diamond Evaluation Reports Las Vegas, NV (January 12, 2016) – The American Gem Society (AGS) Laboratories has announced that...
Latest Facebook Post:
Physicians used to prescribe patients a dose of chocolate to cure the pains of lost love. Know what else is sweet? Winning a $1,500 gift card to an AGS jeweler!...