IIG America · Diamond Education
Lab Grown
Diamond
From growth chamber to grading lab — master the science, identification and market of lab-grown diamonds.
About the Course
The most disruptive stone
in the trade — decoded.
The Lab Grown Diamond course equips you with the skills and knowledge to discern lab-grown diamonds from their natural counterparts. Built on IIG India's 60 years of gemological excellence, it covers the unique characteristics of lab-grown diamonds, their growth methodologies, and the latest identification techniques used in modern laboratories.
Through expert guidance, real-life case studies and cutting-edge instrument training, you will become proficient in identifying, grading and trading lab-grown diamonds — empowering you in today's most rapidly evolving segment of the gemstone market.
Duration
Self-paced online
Certificate
IIG America Lab Grown Diamond Certificate
Level
Beginner to Intermediate
Questions? Schedule a consultation →
Module 01
Introduction & Gemological Fundamentals
Begin with the science of diamond itself — crystal structure, properties and quality language — then meet the lab-grown revolution. Understand what lab-grown diamonds are, how they compare to natural diamonds, and why they are reshaping the global gem trade.
- What lab-grown diamonds are — and are not
- Diamond basics: structure, properties & types
- Natural, lab-grown & simulant distinctions
- The rise of LGDs in the global market
Module 02
How Lab-Grown Diamonds Are Created
Step inside the growth chamber. Study the two production technologies — High Pressure High Temperature and Chemical Vapor Deposition — from diamond seed to rough crystal, and learn the morphological fingerprints each process leaves behind.
- HPHT presses: capsule, flux & cuboctahedral growth
- CVD reactors: plasma, layer growth & tabular rough
- From seed plate to facetable rough
- Post-growth treatments & color modification
Module 03
Grading & Certification of Lab-Grown Diamonds
Apply the 4Cs to lab-grown goods and decode how leading laboratories grade and disclose them. Learn to read IGI and GIA lab-grown reports, understand inscription standards, and communicate certification confidently to clients.
- The 4Cs applied to lab-grown diamonds
- IGI & GIA lab-grown grading reports
- Laser inscriptions & disclosure standards
- Pricing structure vs. natural diamonds
Module 04
Identification, Treatments & Market Insights
The heart of the course. Master the screening and identification instruments used in modern labs, spot the telltale signs of HPHT and CVD growth, and navigate ethics, sustainability claims and the future of the lab-grown market.
- Screening devices: from pen testers to spectrometers
- Fluorescence patterns, growth lines & inclusions
- Ethics, environment & sustainability claims
- Market trends, consumer preferences & case studies
Learning Outcomes
What you'll master.
Distinguish lab-grown diamonds from natural diamonds and simulants
Explain HPHT and CVD growth methods and their telltale signatures
Operate and interpret modern screening and identification instruments
Grade lab-grown diamonds using the 4Cs and laboratory nomenclature
Read and interpret IGI and GIA lab-grown diamond reports
Advise clients on ethics, sustainability and disclosure standards
Analyze lab-grown pricing, market trends and consumer preferences
Earn the IIG America Lab Grown Diamond Certificate
What our students say
I handle lab-grown goods every day, but this course finally gave me the science behind the screening devices. I now understand what my instruments are actually detecting.
Priya R.
Diamond Grader, Chicago
Clear, practical and current. The identification module — fluorescence patterns, growth structures, instrument workflows — paid for itself within a week at the counter.
Daniel T.
Estate Jewelry Buyer, Miami
Begin your journey
Ready to master lab-grown diamonds?
Join professionals across the US who have earned the IIG America Lab Grown Diamond Certificate.