Sourcing

Gübelin, Everledger to Roll Out Blockchain for Gems in 2019

SourcingSep 10, 2018

Gübelin, Everledger to Roll Out Blockchain for Gems in 2019

It will be free and open to all who are interested, beginning at the Tucson gem shows.

20180910_Gubelin.jpg
The blockchain developed in partnership by Everledger and Gübelin Gem Lab tracks colored gemstones through the supply chain, beginning at the mine all the way through to the consumer.
Lucerne, Switzerland—The blockchain for gemstones developed by Gübelin Gem Lab and technology company Everledger soon will be available industry-wide.

Gübelin first announced the blockchain project in January as part of its Provenance Proof initiative, created to establish solutions and services for transparency along the global supply chain.

The Provenance Proof Blockchain is designed to keep tabs on colored gemstones as they travel along the supply chain.

Tracking the stones begins at the mine, and then each transaction adds an entry to the blockchain, resulting in a record that tracks the stone’s journey all the way to the end user.

Every transaction can be recorded with a smartphone to allow all sectors of the industry to utilize it.

To test the system in its pilot phase, Gübelin and Everledger established “a simplified supply chain consisting of high-profile pilot partners,” including a major emerald mining company, a cutting factory and global jewelry brands, though specifics on which companies were involved was not available by press time.

During that phase, the stakeholders tested its functionality, user-friendliness and security.

The pilot testing is scheduled to be completed by the fourth quarter. Global rollout and onboarding will begin during the Tucson gem shows in February 2019.

The blockchain is open for full use to anyone in the industry who is interested, and Gübelin noted it is meant to be used independently of the lab or Everledger. To ensure it will provide the best solution to the industry autonomously, further development and maintenance of the blockchain will be entrusted to an advisory board; details of who will serve on the board were not available by press time.

Gübelin also said there are no fees involved in using the blockchain, as contributing and accessing the data is free of charge.

The Provenance Proof blockchain will allow for visibility up the value chain (toward the mine), meaning the entity that has the stone in its ownership or custody will be able to see the identity and location of all involved prior to that point in time.

However, it won’t allow for downstream visibility (toward the consumer), meaning users within a blockchain won’t be able to see the identity and location of those involved after the stone leaves their custody.

Gübelin and Everledger said that due to the blockchain’s “resounding success,” they will continue to partner beyond the first phase to develop additional functionalities to the technology past next year. For example, since some users may have specific requirements for their business, like integration into their database or evaluation tools, add-ons built for the needs of specific users will be developed.

For additional information about or registration for the Provenance Proof Blockchain, interested parties can reach out via the Provenance Proof website.
Brecken Branstratoris the senior editor, gemstones at National Jeweler, covering sourcing, pricing and other developments in the colored stone sector.

The Latest

Stock image of shipping containers in port
Policies & IssuesJul 24, 2026
New Trump Tariffs: What They Mean for Jewelry

The new sweeping slate of tariffs impacts 60 countries, including India, China, Thailand, Hong Kong, and the United Arab Emirates.

Jorge Adeler Gods & Heroes coin pendant
TrendsJul 24, 2026
Amanda’s Style File: Ode to ‘The Odyssey’

From coin pendants to diamond shields, these old world-inspired jewels are the perfect accessory for an epic journey.

Courtney Leidy Amethyst Silk Cord Pendant
TrendsJul 24, 2026
Courtney Leidy’s Silk Cord Pendants Center Unexpected Pairings

Our Piece of the Week pairs a checkerboard-cut amethyst with an ivy green silk cord.

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.

NJ Article image.png
PodcastsJul 23, 2026
Episode 7: Reinhold Jewelers on the Power of Relationships

Mildred Marcano Abrams and Yael Reinhold join the podcast to talk community connections, holiday plans, and preserving Reinhold’s legacy.

Weekly QuizJul 23, 2026
This Week’s Quiz
Test your jewelry news knowledge by answering these questions.
Take the Quiz
Silvia Furmanovich Enchapado en Tamo Wooden Wheat Straw Sun Earrings
CollectionsJul 23, 2026
Silvia Furmanovich’s New Collection Travels Back to the 1920s

“Art Deco” fuses ancestral techniques, rare materials, and modern perspectives as a tribute to the optimism and curiosity of the movement.

Sissy’s Log Cabin Saracen Casino
IndependentsJul 23, 2026
Sissy's Log Cabin Opens Casino Store

The jeweler’s newest store is inside Arkansas’ Saracen Casino Resort.

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.

Kate Spade New York watches
WatchesJul 23, 2026
Movado Inks Licensing Deal With Kate Spade New York

The watch company will design, manufacture, and distribute Kate Spade New York watches.

Stock photo of loose polished diamonds
Policies & IssuesJul 22, 2026
Trump to Put 50% Tariff on Canadian Goods

The higher tax is set to go into effect in August and will apply to loose polished diamonds as well as precious and base metals jewelry.

Monica Rich Kosann Enchanted Garden Cherry Necklace
CollectionsJul 22, 2026
Monica Rich Kosann’s High Jewelry Is Fruitful

The “Enchanted Garden” series features a cherry, lemon, and pear that each hold a little secret inside.

Liljenquist new Rolex boutique McLean Virginia
IndependentsJul 22, 2026
Liljenquist Beckstead Opens Rolex New Boutique

It’s located in Tysons Galleria, an upscale shopping center in the Washington, D.C., metro area.

NY Now exhibitor booth
Events & AwardsJul 22, 2026
NY Now Returns in August Under New Ownership

The show, recently acquired by Rockview Management Group, will be held at New York City’s Javits Center from Aug. 2-4.

The Retail Smith Principal Partner and National Jeweler columnist Sherry Smith
ColumnistsJul 21, 2026
Sherry Smith: Shattering the Illusion of the ‘Either/Or’ Diamond Market

Smith offers retailers guidance on creating an environment where natural and lab-grown diamonds can both thrive.

Emerald logo
Events & AwardsJul 21, 2026
Apollo Funds Completes Emerald Acquisition

Former Emerald President and CEO Hervé Sedky has transitioned to the role of senior advisor.

Graff Seraphina Brooch and Lina Pendant
CollectionsJul 21, 2026
Graff’s New Butterfly High Jewelry Brooches Metamorphosize

The 12-piece capsule collection transforms from brooches to pendants.

Stock image of shipping containers
Policies & IssuesJul 20, 2026
Tariffs on Brazil to Increase But Rough Gemstones Exempt

The new tariff, imposed after a Trump administration study, is 25 percent and will stack on top of existing tariffs.

Vhernier Freccia High Jewelry Necklace
CollectionsJul 20, 2026
Vhernier Transforms ‘Freccia’ Collection Into High Jewelry

The collection from 2014 has been reinterpreted into high jewelry with its signature triangular-shaped elements.

Krista Collins Walters
MajorsJul 20, 2026
Krista Collins Walters Promoted to Publisher of Instore

She will also take on the role of vice president of jewelry for SmartWork Media, a newly created position.

Attendees at the Jewelry Symposium
Events & AwardsJul 20, 2026
TJS Accepting Speaker Proposals for 2027 Event

Organizers are looking for presentations on topics like manufacturing, technology and research, bench work, gemstones, and sustainability.

HOWL Frida Venetian Glass Collar
CollectionsJul 17, 2026
HOWL Taps Shailene Woodley for ‘Home Sweet Home’ Campaign

Woodley is seen in the campaign wearing our Piece of the Week, the “Frida” collar featuring 13 pieces of hand-carved Venetian glass.

A diamond ring in a jewelry box
SourcingJul 17, 2026
U.K. Woman Pays £5 for £15K Diamond Ring at Car Boot Sale

A WeBuyVintage jewelry expert uncovered how much the flea market find was actually worth.

Unveiling Rarities
SourcingJul 17, 2026
Diamond Dealer Jeff Pancis Pens Memoir

The founder of natural colored diamond wholesaler Pancis Gems shares stories from his five decades in the industry.

Gem Awards 2027 Logo
Events & AwardsJul 17, 2026
Gem Awards Opens 2027 Nomination Period

Submissions for the milestone 25th annual Gem Awards will be accepted across three categories from now through July 31.

Guzema Founder and Creative Director Valeriya Guzema and Co-Owner and CEO Mariana Lenha
EditorsJul 16, 2026
Q&A: Guzema’s Co-Owners On Its US Expansion, 10-Year Anniversary

Valeriya Guzema and Mariana Lenha look back on the last decade and discuss the Ukrainian brand’s first U.S. store.

Main camp at Ekati Diamond Mine
SourcingJul 16, 2026
Ekati to Close, Leaving Canada With One Diamond Mine

The diamond mine, which opened nearly 30 years ago in Canada’s Northwest Territories, is expected to shut down by mid-August.

Necklace from Vhernier’s “Freccia” high jewelry collection
FinancialsJul 16, 2026
Richemont’s Jewelry Sales Soar for the Seventh Quarter in a Row

Jewelry sales for the company, which owns Cartier, Van Cleef & Arpels, Vhernier, and Buccellati, rose 21 percent in the first quarter.

×

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