Lab-Grown

GSI Offers Online Lab-Grown Diamond Course

Lab-GrownOct 26, 2020

GSI Offers Online Lab-Grown Diamond Course

The online course will cover the history of lab-grown diamonds, growth identification, detection, and more.

20201026_GSI_lab_grown_diamond.jpg
A GSI grader using a machine designed to detect CVD-grown diamonds. GSI is now offering an online course about lab-grown diamonds.

New York—Lab-grown diamonds have been the talk of the town for a while.

Gemological Science International is offering a new online education course, “Laboratory-Grown Diamond Essentials,” to learn more about them.

“It is imperative that the jewelry industry has the ability to communicate about laboratory-grown diamonds confidently and with transparency,” Chief Learning Officer Alethea Inns said in a press release about the course.

Following a soft launch of the course, GSI found it was a good fit for those in the industry without a gemological or laboratory background, like retailers and wholesalers, a company spokesperson said.

The course covers the history of lab-grown diamonds, growth and production methods, industry definitions and terminology, disclosure, the 4Cs for lab-growns, identification, and detection.

The cost of the course is $100.

“There are many nuances when it comes to lab-grown diamonds; from their growth methods and treatments, to understanding the various inclusions, color undertones and other factors, it’s not exactly the same as natural diamonds,” noted Debbie Azar, president and co-founder of GSI.

Its team has graded and identified hundreds of thousands of laboratory-grown diamonds, GSI said. It opened a facility in New York in 2018 dedicated exclusively to lab-grown diamonds.

GSI said its researchers and scientists have made “notable discoveries” in lab-grown diamond identification, such as finding man-made sapphire melee set among natural diamonds in a piece of jewelry in June 2019.

GSI announced in March its LGX Lab Grown Diamond Report would list the growth method and any post-growth treatments or enhancements.

Founded in New York City in 2005, GSI has expanded to 13 gemological laboratory facilities across four continents.

To learn more about its course offerings, email edu@gemscience.net.

Lenore Fedowis the senior editor, news at National Jeweler, covering the retail beat and the business side of jewelry.

The Latest

Lucara diamond
SourcingJul 15, 2026
1,305-Carat Diamond Recovered from Mine in Botswana

The yet-to-be named stone is the 10th diamond weighing more than 1,000 carats to come out of Lucara’s Karowe mine.

Barry Berman
IndependentsJul 15, 2026
New Jersey Jeweler Barry Berman Dies at 81

The founder of Fords Jewelers, Berman is remembered for his love of connecting with his community.

Hamptons Jewelry Show exhibitors Maison Mèrenor, Jochen Leën, Studio Javo
Events & AwardsJul 15, 2026
Hamptons Jewelry Show to Return in July

The open-to-the-public luxury jewelry and timepiece show, in its second year, is slated for July 23-26.

Brought-To-By-Article-Top-Image.jpg
Brought to you by
Wedding Band Trends 2026: Personalization Takes Center Stage

Colored gemstones, artisan finishes, mixed metals, and meaningful details are shaping demand in bridal jewelry.

Pomellato Eye of Tanzanite Necklace and Pin-Up Ring
CollectionsJul 15, 2026
Pomellato’s New High Jewelry Is Liberating

Bold color, expressive gem-setting, and sculptural form define the three chapters that make up “Stile Libero.”

Weekly QuizJul 09, 2026
This Week’s Quiz
Test your jewelry news knowledge by answering these questions.
Take the Quiz
Foundrae London Store Showcases
IndependentsJul 14, 2026
Foundrae Opens First Standalone Store Outside US

The New York-based jewelry brand has expanded overseas, opening a store in London’s Mayfair district.

The Retail Smiths Principal Partner and National Jeweler columnist Sherry Smith
ColumnistsJul 14, 2026
Sherry Smith: What Today’s Jewelry Consumer Is Telling Us

Rising revenue does not automatically mean a healthy business, particularly in the current economic landscape, Smith writes.

DCA-NJ-article-1872x1052-060826.jpg
Brought to you by
Building the Future of Jewelry Retail: DCA Expands Education, Leadership Development, and Workforce Solutions

DCA is preparing the next generation of professionals by supporting workforce development, leadership growth, and career advancement.

Mindi Mond New York emerald shoulder duster earrings
TrendsJul 14, 2026
Amanda’s Style File: Shoulder Dusters

These long, fluid drop earrings are sure to catch the eye.

FBI Most Wanted image of Alberto Perez-Elias
CrimeJul 14, 2026
Man Charged in $1M Jewelry Store Heist Lands on FBI Most Wanted List

Alberto Perez-Elias is one of four men charged with robbing a Cape Coral, Florida, jewelry store and is the only one still at large.

Aerial view of Amazon
Events & AwardsJul 14, 2026
Conference on Mining, Sustainability Kicks Off in NYC

Initiatives in Art and Culture is hosting its 16th annual Gold and Diamond Conference, with the theme of “Resilience.”

File photo of the Venetia Diamond Mine in South Africa
SourcingJul 13, 2026
De Beers Announces Potential Layoffs, 2-Year Production Pause at Venetia

The diamond miner and marketer is undergoing another round of cost-cutting measures ahead of its sale by Anglo American.

JIS sign in convention center lobby
Events & AwardsJul 13, 2026
Registration Opens for JIS Fall 2026 Show

The annual trade-only buying event is slated for Oct. 16-19 in Miami Beach, Florida.

“Elements” bracelet best of show AGTA Spectrum 2025
Events & AwardsJul 13, 2026
AGTA Accepting Entries for Spectrum 2026

AGTA also has announced the lineup of judges for the colored gemstone cutting and jewelry design contest’s various categories.

Arena Club Twilight and Eclipse Time Boxes
TechnologyJul 10, 2026
There’s a New Blind Box for Luxury Watches

Collectibles platform Arena Club’s new Time Boxes could contain a Rolex or Patek Philippe watch.

Jade Trau Constellation Plié Collar
TrendsJul 10, 2026
Jade Trau Creates a Constellation of Diamonds

The “Constellation Plié” collar, our Piece of the Week, features diamonds arranged in a constellation of shining stars.

Former De Beers CFO of Brands and Consumer Markets Shaun Wills
SourcingJul 10, 2026
CFO of De Beers’ Consumer-Facing Division Leaves Company

Shaun Wills joined the company in 2024 and was chief financial officer of the De Beers Brands and Consumer Markets division.

Brilliant Earth watches
WatchesJul 10, 2026
Brilliant Earth Expands Into Watches

In honor of its 20th anniversary, the jewelry brand has released a limited-edition collection of Swiss-made timepieces.

Boucheron Human Being Collection Tattoo Necklace
CollectionsJul 09, 2026
Boucheron’s New High Jewelry Collection Is an Ode to the Human Touch

“Human Being” highlights the similarities and differences between us through five sets of jewelry that celebrate fine craftsmanship.

Baume & Mercier watch
WatchesJul 09, 2026
Damiani Group Finalizes Acquisition of Baume & Mercier

Richemont will continue to provide operational services for the watch brand for a period while the group prepares to integrate it.

Joopiter Logo
AuctionsJul 09, 2026
Pharrell Williams’ Joopiter Hires Former Bonhams Exec to Head New Watch Division

Nate Borgelt will lead the digital auction house and content platform’s new division as head of watches.

Enoch Michael
Events & AwardsJul 09, 2026
Halstead Names 2026 Grant Winner

Enoch Platero, founder and designer behind Enoch Michael, is the first Native American jeweler to win the award.

Karen Fox and Jenna Siegel
Events & AwardsJul 09, 2026
AGS, GIA Name 2026 Beatrice Shipley Scholarship Winner

AGS also announced the recipient of its “Women in Leadership” scholarship.

Kendra Scott
MajorsJul 08, 2026
Kendra Scott Joins ‘Shark Tank’ As Permanent Investor

The founder of the billion-dollar jewelry and lifestyle brand will debut as a full-time “Shark” on the upcoming season of the show.

Hands crossed with rings on
SurveysJul 08, 2026
Signet Jewelers Falls 5 Spots on NRF’s ‘Top 100’ Retailers List

Plus, why retailers should be ready to adjust as the U.S. population may decline this year for the first time since the Great Depression.

René Lalique “Woman Dragonfly With Open Wings” pendant
CrimeJul 08, 2026
Here’s What Thieves Stole From the Lalique Museum

René Lalique’s “Woman Dragonfly With Open Wings” pendant, the first piece the museum acquired, was one of the jewels taken.

Arien Gessner and Moss Makhoulian
MajorsJul 08, 2026
Richline Group Promotes 2 Execs

Arien Gessner and Moss Makhoulian have been elevated into newly created roles.

×

This site uses cookies to give you the best online experience. By continuing to use & browse this site, we assume you agree to our Privacy Policy