Certified Diamond Grader Antwerp
Master the Global Standard of Diamond Grading. Demystify internal properties, grading parameters, and evaluation science. Earn your international HRD Antwerp Certified Diamond Grader Diploma inside our foundational headquarters. Learn to decode the 4C's, operate elite diagnostic systems, and conclusively separate natural diamonds from lab-grown variations.
Seat Deposit: €750 required within 15 days of registration to guarantee workspace allocation. Final price may vary according to local tax laws.
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Program Specifications
Core operational framework for the CDG3E2603 Certified Diamond Grader course in Antwerp.
Credential Issued
Diploma: HRD Antwerp Certified Diamond Grader
Schedule & Format
Sep 7 – Sep 25, 2026 | 3-Week Intensive Block (On Campus)
Campus Venue
Hoveniersstraat 22, 2018 Antwerp, Belgium
Entry Eligibility
Min. Age: 18 Years | Language: English (No experience needed)
Who Should Attend
This comprehensive diamond grading track is engineered for professionals across the trade:
Traders, Experts & Appraisers
Master the 4C’s, pricing factors, optics, and systematic examination parameters to reliably verify diamond characteristics, calculate weights, and protect margins.
Jewellers, Designers & Buyers
Develop hands-on grading techniques using 10x triplet loupes, microscopes, calipers, and master stones to precisely grade color, clarity, fluorescence, and cut proportions.
Diamond Enthusiasts & Career Seekers
Learn to detect simulants, identify clarity treatments, and distinguish natural from lab-grown diamonds. Combining this with the Coloured Stones Diploma leads to the full Graduate Gemmologist Diploma.
A Global Legacy in Diamond Grading Science
Align your career with the world's most respected authority in diamond grading and gemstone education, operating directly from the historic heart of the European gem trade.
Pioneering Diamond Science
Founded in Antwerp, Belgium, in 1973. As a foundational global authority, we have spent over five decades refining the scientific grading methodologies, objective standardizations, and strict metrics that shape the international diamond sector.
Certified Diamond Grader
An HRD Antwerp Diploma serves as an elite industry benchmark. This qualification leads directly to the prestigious Graduate Gemmologist status when combined with our Coloured Stones & Gem Identification path.
Learn at our Global HQ Campus
Master the structural physics and aesthetics of diamonds according to rigorous European standards. Our on-campus laboratory programs enforce professional precision, theoretical depths, and absolute grading confidence.
Program Syllabus & Core Modules
Explore the systematic scientific syllabus of the CDG3E2603 block, balancing theoretical knowledge with technical evaluation.
Understand the fundamental properties of light behavior within a diamond's crystal structure and master cleaning and calculation workflows.
- Diamond Optics & Properties: Advanced study of physical structures, crystallographic characteristics, and light-refraction laws.
- Systematic Examination: Correctly cleaning gems and executing viewing loops under favorable and unfavorable angles of observation.
- Principles of Weighing: Operational parameters of hydrostatic balances and formulaic calculation of carat weight.
Acquire high-tier diagnostic grading skills using standard reference markers, comparison master stones, and specialized instrumentation.
- Clarity Grading Mastery: Utilizing both the standard 10x triplet loupe and gemmological microscopes to analyze internal and external characteristics.
- Colour Calibration & Fluorescence: Grading colors by comparison with official master stones and evaluating stone reactions to UV fluorescence.
- Structural Feature Mapping: Developing precise plotting methodologies using standard international symbol systems.
The commercial verification track. Identify proportion angles, evaluate complex modifications, and instantly expose simulants and treatments.
- Cut, Proportion & Finish Grading: Quantitative calculation of proportions, symmetry parameters, and final polish states using calipers (micrometers) and reference tables.
- Fancy Cuts Evaluation: Visual and mathematical criteria for assessing pear, marquise, oval, emerald, and princess shapes.
- Security, Synthetics & Treatments: Disclosing diamond imitations (simulants), crack-filling enhancements, and introducing diagnostic thresholds for lab-grown specimens.
Advance Your Professional Status in Antwerp
Secure your dedicated grading workspace within our global headquarters in Belgium. Program allocations for the intake are assigned strictly according to deposit clearance timestamps.
Global Career Outcomes
Graduating from the Certified Diamond Grader program at HRD Antwerp’s headquarters places you at the heart of the global diamond capital. Studying directly within the Antwerp Diamond District equips you with elite technical grading mastery, internationally recognized credentials, and direct exposure to European and worldwide trade networks.
Auction Specialist
Evaluate rare high-value stones, assess antique and modern diamonds for international auction catalogs, and provide official appraisals for prestige houses across Europe and globally.
Diamond Buyer
Source rough and polished stones directly on the floor of Antwerp’s famous diamond bourses or major international trading hubs, negotiating with complete grading confidence.
Diamond Grader
Utilize advanced laboratory equipment to evaluate the 4Cs, detect lab-grown variations, and issue official grading reports for gemological laboratories worldwide.
Diamond Assorter
Sort and categorize commercial diamond parcels by color, clarity, and cut parameters—a essential skillset for Antwerp's top trading firms and manufacturers.
Business Owner
Establish your own independent jewelry house or brokerage backed by the authority and trust of an HRD Antwerp international certification.
Luxury Sales Consultant
Advise high-net-worth buyers in global luxury retail capitals, converting technical diamond knowledge into client confidence and high-value sales.
Retailer & Curator
Bridge the gap between wholesale bourses and the public, selecting quality stones and building brand integrity through precise certified verification.
Wholesaler & Supplier
Manage large-scale international inventories and supply global manufacturers with accurately graded diamonds directly from Antwerp's trade pipeline.
Frequently Asked Questions
Explore structural details regarding our schedules, practical laboratory access, and Antwerp venue operations.
Upon successful completion of the course and passing both the theoretical and practical examinations, you will be awarded the official, internationally respected Diploma: HRD Antwerp Certified Diamond Grader. Combined with our Colored Stones credential, this maps a path to the Graduate Gemmologist status.
No prior experience in diamonds, physics, or gemmology is required. The curriculum is engineered to start with essential optics concepts before systematically building up your practical microscopic and 10x triplet loupe skills.
All on-campus laboratory sessions are conducted at our global headquarters: Hoveniersstraat 22, 2018 Antwerp, Belgium. The intensive CDG3E2603 block runs daily on weekdays.
This high-end professional course is designed for diamond traders, experts, appraisers, graders, jewellers, custom designers, sales managers, buyers, and passionate collectors seeking formal global credentials.
You will develop flawless laboratory grading skills utilizing a professional 10x triplet loupe, specialized gemmological microscopes, physical calipers (micrometers), proportional evaluation tables, and a vast collection of real reference stones.