Empowering Brilliance, Ensuring Trust.

AYJ is passionate about unveiling the true beauty and value of each precious diamond/jewelry that comes through our doors.
Verify Your Report
AYJ provides global access to secured grading report archive and transit results.
The Journey of Grading
From the moment you entrust us with your precious diamond/jewelry to the instant you receive our comprehensive report, every step at AYJ Laboratories is conducted with precision, care, and unparalleled expertise.
Discover our seamless four-step certification process, designed to provide confidence, and peace of mind.
Submission and Initial Assessment
Begin your journey with AYJ Laboratories by submitting your diamond/jewelry to our secure facility.
Our team will conduct an initial assessment to ensure that all necessary information is provided, and your product is ready for the next stage of analysis.
Comprehensive Analysis
Your jewellery undergoes a thorough examination using our state-of-the-art technology and equipment.
Our experts meticulously analyze every aspect of your diamond or jewellery, from its cut and color to its carat weight, ensuring a comprehensive understanding of its true characteristics.
Grading and Documentation
Based on the analysis, our experts assign a grade to your product and compile a detailed report.
This report includes all the vital information about your product, providing a clear and accurate representation of its quality and value.
Reporting and Delivery
Once the grading process is complete, we issue a grading report, which serves as your diamond/jewelry passport to the world.
This report is securely packaged and delivered to you, ensuring that you have all the information you need to confidently trade, sell, or cherish your product.
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AYJ’s distinguished position in the field of jewellery is a testament to our unwavering commitment to research and our collaborative work with both industry experts and valued customers.
This harmonious synergy and steadfast support have been pivotal in establishing AYJ as a paragon in the field, showcasing our commitment to excellence and innovation.
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Report Name
Issue Date
Type of Jewel
Jewel Type
Description of Material
Total Weight of Jewel
Total Amounts of Diamond
Total Weight of Diamonds
Item Details
Shape Value
Weight (Carat)
Material Description
The report on HRD Antwerp Grading Report Link is intended exclusively to help confirm that the grading report number and examination results of the diamond provided by the user of this service correspond to an existing non-digital Diamond Grading Report, Diamond Identification Report or Colour Diamond Grading Report archived in the HRD Antwerp grading report database. HRD Antwerp does not make any representations or warranties regarding the information returned by the Report on HRD Antwerp Grading Report Link. The Report is not a HRD Antwerp Diamond Grading Report. The Report and the information returned by the Report are subject to all the notices, guarantees and limitations of liability included in the corresponding non-digital Diamond Grading Report, Diamond Identification Report or Colour Diamond Grading Report with the grading report number.