GIA Examines All-Diamond Ring Cut From Single Lab-Grown Diamond
It’s the first time the lab has assessed a piece of this kind, it said.

Produced by Dutch Diamond Technologies in collaboration with Belgian jewelry store Heursel, the 4.04-carat ring was cut from an 8.54-carat lab-grown diamond plate created by using the chemical vapor deposition (CVD) process.
The band is 3.03 mm thick with an inner diameter of 16.35–16.40 mm and an outer diameter of 20.32–20.40 mm.
GIA said its development marks a “significant milestone in the world of carved single-crystal diamond rings.”
“Although this is not the first ‘ring’ of this type that has been reported, it is the first time GIA has evaluated a ring carved from a single laboratory-grown diamond,” said Tom Moses, executive vice president and chief laboratory and research officer at GIA.
“As technology continues to evolve with man-made diamond growth, we expect to see more creative ways for this product to be used. New achievements will advance the bounds of what is possible with laboratory-grown diamond, both in new applications in jewelry and technology.”
GIA published gemological observations about and spectroscopic features of the ring in an online research note.
The research note also will appear in the fall 2023 print edition of GIA’s quarterly professional journal, Gems & Gemology.
The Latest

Co-founders Afzal Imram and Lin Ruiyin brought their son’s story of a cosmic egg, toadstool, and railroad to life in their new collection.

The best time to prepare for the holiday season is right now, according to columnist Emmanuel Raheb.

This year’s winner is Morgan Keefe, who is currently studying at GIA to be a gemologist.

The Seymour & Evelyn Holtzman Bench Scholarship from Jewelers of America returns for a second year.

“The Jewelry Book” comes out this September.


The company is focused on modernizing the custom jewelry buying experience with e-commerce tools like product visualization and 3D styling.

Following its recent acquisition, the storied brand has updated its leadership team and regional managers.

The countdown is on for the JCK Las Vegas Show and JA is pulling out all the stops.

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

The 20-karat yellow gold and diamond wrap ring is modeled after the Monstera plants in the garden of the brand’s Miami villa.

Rocksbox President Allison Vigil shared the retailer’s expansion plans, and her thoughts on opening stores in malls.

The creator of the WJA Chicago chapter is remembered as a champion for women in the jewelry industry and a loving grandmother.

The decline was consistent across age groups and almost all income groups, with tariffs and inflation still top of mind.

The “Playlist: Electric Dreams” collection brings lyrics from the musician’s song, “Little Wing,” to life through fine jewelry.

The event is set for May 16-19 in Detroit, Michigan.

The Vault’s Katherine Jetter is accusing the retailer of using info she shared for a potential partnership to move into Nantucket.

Agents seized 2,193 pieces, a mix of counterfeit Cartier “Love” and “Juste Un Clou” bracelets, and Van Cleef & Arpels’ “Alhambra” design.

The designer brought her children’s book, “The Big Splash Circus,” to life through a collection of playful fine jewelry characters.

The trade association has chosen the recipients of the funding initiative it formed to foster the growth and sustainability of the industry.

The organization has also announced this year’s slate of judges.

Associate Editor Natalie Francisco shares 20 additional pieces that stood out to her at the Couture show.

Lori Tucker started at Williams Jewelers when she was 18 years old.

The “Marvel | Citizen Zenshin” watch is crafted in Super Titanium and has subtle nods to all four “Fantastic Four” superheroes on the dial.

The “XO Tacori” collection was designed to blend luxury and accessible pricing.

Pritesh Patel, the lab’s chief operating officer, will take over as president and CEO of GIA.

National Jeweler and Jewelers of America discuss the standout jewelry trends and biggest news to emerge from the shows this year.

Signatories to the “Luanda Accord” committed to allocating 1 percent of annual diamond revenue to the Natural Diamond Council.