PodcastsJan 12, 2026
The latest poscasttest
GradingSep 30, 2015
HRD Antwerp grades 3.09-carat lab-grown diamond
The brilliant-cut stone has a color grade of I and a clarity of VS2, the laboratory said this week.
Antwerp, Belgium--Diamond growers continue to be able to increase the size of the stones they produce, as most recently was illustrated by a 3.09-carat diamond graded by HRD Antwerp.
The diamond was grown using the CVD, or chemical vapor deposition, process, meaning it was created in a specially developed growing chamber using a carbon-rich gas. CVD lab-grown diamond are created without the presence of nitrogen, therefore the resulting stone will always be a Type IIa or Type IIb diamond.
This particular 3.09-carat stone is a brilliant-cut diamond with a color grade of slightly tinted white (I) and a clarity of VS2, the lab said.
Previously, the largest lab-grown diamond reported was a nearly colorless 3.04-carat round diamond cultivated by Pure Grown Diamonds (formerly Gemesis) late last year. That diamond has a price tag of $23,012.
Lab-grown diamonds have become more and more topical in jewelry industry news in the past few years, as growers have improved their techniques, particularly as it pertains to white diamonds, and more mainstream chains have started selling them.
Just last month, the Gemological Institute of America announced it would be growing diamonds for research purposes in order to keep up with identification and treatment of the stones, which it said are becoming increasingly prevalent.
And over the summer, retailer Helzberg Diamonds became the latest in a string of chains testing the market for man-made diamonds, selling pink, yellow and white lab-grown stones in select stores across the country.
Editors' Picks
Sponsored by
More on Grading
The Latest
Weekly QuizOct 03, 2024
This Week’s QuizTest your jewelry news knowledge by answering these questions.
PodcastsJan 12, 2026
Introducing My Next Question, the PodcastA monthly podcast series for jewelry professionals
Brought to you by
Navigating Cybersecurity: Essential Guidance for JewelersFrom protecting customer data to safeguarding inventory records, it's crucial to learn how to tackle cybersecurity challenges.
PodcastsNov 27, 2025
Test Podcast With VideoTest Podcast With Video. New interview with Ada Lovelace.
PodcastsNov 25, 2025
Test New Podcast PostAbstract for tests. New Podcast interview with John Lennon, Jimi Hendrix and Jim Morison.
ColumnistsOct 09, 2024
Peter Smith: 7 Things to Know When Selling LuxuryAhead of the holiday season, Smith delves into the often subconscious reasons people buy luxury products for themselves or their loved ones.
AuctionsOct 09, 2024
Rolex Worn on Apollo 14 Mission Up for SaleThe GMT-Master “Pepsi” belonging to astronaut Edgar Mitchell is a standout in RR Auction’s online “Space Auction,” going on now.
MajorsOct 09, 2024
New Simon Campaign Invites Gen Z to ‘Meet Me At The Mall’The ads celebrate the mall culture of the ‘80s and ‘90s.
MajorsOct 09, 2024
PGI Launches New Virtual Sales TrainingRetail sales associates can access the video series on mobile to refresh their selling skills.
Policies & IssuesOct 09, 2024
GJNRF: Reaching Out, Rebuilding Futures For 25 years, India’s Gem & Jewellery National Relief Foundation has provided aid in the wake of war, natural disasters, and global crises.
AuctionsOct 08, 2024
Sotheby’s Selling Jewelry That Belonged to a Bulgarian TsarThe November auction will feature a collection of jewels owned by Ferdinand I, the first king of modern Bulgaria, and his family.
SourcingOct 08, 2024
Rio Tinto Begins New Phase of Production That Will Extend Diavik’s LifeCommercial production has begun underground at the Canadian diamond mine’s A21 pipe.
SurveysOct 08, 2024
What to Know About Online Shopping This Holiday SeasonDeloitte and Adobe Analytics shared their insights on the season, from the retail sales forecast to the role of generative AI.
CollectionsOct 08, 2024
Sylvie Adds New Men’s BandsThe Texas-based jeweler collaborated with luxury clothing brand Uncommon Man on men’s bands designed with European influences.
SourcingOct 08, 2024
Is Current Diamond Industry Turbulence Shaping a ‘New Normal’? Industry players have found ways to cope with market conditions while working to reshape themselves in the face of emerging realities.
SourcingOct 07, 2024
Rio Tinto to Offer 76 Diamonds in 2024 Beyond Rare Tender The sales event, in its second year, features a selection of rare diamonds from the miner’s Argyle and Diavik diamond mines.
CollectionsOct 07, 2024
Olympian Kristi Yamaguchi Partners With Heller Jewelers on New CollectionA portion of the proceeds from the “Always Dream” collection will go to Yamaguchi's foundation, supporting early childhood literacy.
