Quality & Precision
We use high‑quality, well‑equipped laboratory instruments to deliver accurate, reliable results for natural and treated materials.
12+
Years Of Experience
About AIG
Your Ultra‑Secure Gemological Partner
AIG’s leading position in the gem world is built on experience, integrity, and advanced laboratory standards, providing trusted grading and identification for loose and precious stones.
Transparent Reporting
Comprehensive reports and enhancement disclosure help consumers focus on what they truly want, with full confidence in AIG’s grading integrity.
Expert Team
World‑renowned gemologists, supported by physicists, engineers, and researchers, follow a strict code of conduct in every evaluation.
Our Services
Expert Gemological Reports
The global gemological offers the best stage of expert gemological offerings and grading for the diamond, colored gemstones, and jewelry worldwide.
AIG Diamond Reports provide accurate grading and detailed characteristics for diamonds across all sizes and global markets.
Read MoreComprehensive and reliable jewelry reports designed for accuracy, transparency, and industry standards.
Read MoreDetailed analysis identifying natural or synthetic gemstones, including color, clarity, dimensions, and optical properties.
Read MoreCertification for laboratory-grown diamonds, clearly identifying origin, quality, and key grading details.
Read More
Our Work Process
Our Gemological Grading Process Ensuring Accuracy and Transparency
AIG’s grading process is designed to provide accurate and transparent information about the quality of gemstones and jewelry. We use internationally recognized tools and processes to ensure that our reports are reliable and accurate.
Identification
Gems are identified based on their physical and optical properties, and AIG is well equipped to do just that. . Each gemstone is carefully examined by expert gemologists using internationally recognized tools and processes.
Grading
AIG follows the widely accepted GIA diamond grading system. Diamonds are graded using standard tools such as range scales, keystones, 10x magnifiers, and colorimeters.
Authentication
Designed for jewelry with diamonds and precious stones. It mentions all the important jewelry-related information needed by both suppliers and buyers.
12+
Years of Experience
167K+
Reports Generated
239+
Total Checks
449+
Suggestions
Why Choose AIG
Trusted Gemological Reports & Verification
The global gemological laboratory offers expert grading for diamonds, colored gemstones, and jewelry, with easy online report verification using a secure report ID. [web:21][web:2]
We have 12+ years of laboratory experience. We combine advanced technology and expert gemologists to deliver accurate, reliable certificates worldwide. [web:21][web:2]
0%
Report Accuracy
0%
Verification Reliability
Dedicated Support
24/7
Reports Generated
167K+
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About AIG
FAQs Questions
Expert Gemological
Solutions & Support
AIG combines 12+ years of laboratory experience with advanced technology and expert gemologists to deliver accurate, reliable certificates worldwide. We use internationally recognized grading standards, high-quality laboratory instruments, and maintain strict quality control. Our transparent reporting and comprehensive analysis give buyers and sellers confidence when trading diamonds, gemstones, and fine jewelry.
An AIG report includes comprehensive details such as identification (natural or synthetic), grading (cut, color, clarity, carat weight for diamonds), dimensions, optical properties, and any treatments or enhancements. For jewelry reports, we document all important information needed by both suppliers and buyers, including metal type, stone details, and overall quality assessment.
Yes, AIG thoroughly tests for treatments and enhancements. We use advanced laboratory equipment to detect any treatments such as heat treatment, irradiation, or other enhancement processes. All treatments are clearly disclosed in our reports, ensuring full transparency and helping consumers make informed decisions about their gemstone purchases.
Yes, AIG provides certification for laboratory-grown diamonds. Our Lab Grown Diamond Reports clearly identify the origin, quality, and key grading details. We use specialized testing methods to distinguish between natural and lab-grown diamonds, ensuring accurate identification and providing comprehensive documentation for both types of diamonds.
