About us

Our Story

Located in New York City's Diamond District, Gemological Appraisal Industry, Inc. (GAI) is an independent jewelry appraisal and gemological services company. We are a third party company and are not affiliated with GIA besides the fact that all gemologists of GAI are GIA GG CERTIFIED. GAI has a group of highly trained and skilled gemologists dedicated to offering quality, first-hand analysis of fine diamonds and jewelry.

Why Choose Us?

  • Best customer service
  • Fastest turnaround time
  • Same day delivery
  • High quality pictures
  • Unbeatable prices
  • Reports for virtually any piece of jewelry
  • Reports for all diamonds/gemstones
  • Online Reports
  • Fair Purchase Confirmation
  • Personalized Consultation

QUALITY SERVICE

We strive to provide our clients with quality service, state of the art gemological equipment, and trusted results they can depend on. GAI Laboratories, Inc. provides fast, consistent and accurate diamond grading reports to the diamond manufacturing and retail jewelry communities.

ABOUT DIAMONDS

All diamonds, Jewelry & watches submitted to the GAI laboratory are individually identified and tested to proper standards and procedure.


We properly disclose all diamonds, Jewelry & watches, known treatments and condition, while ensuring disclosure of all enhanced diamonds, treatments & current conditions. The GAI Diamond Grading Certificate assures the owner about all known enhancements, and if the diamond is free of treatments and diamond enhancements.

All instruments, methodologies and safety regulations within GAI Lab are designed to ensure that every detail of your diamond is unveiled and recorded.

Our turnaround time is generally 1 business day of receipt. (Ask about our SAME-DAY services)


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